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MSO-5000B Mixed Storage Oscilloscope User Manual

1. 1 1 General Safety Summary Read the following safety precautions to avoid injury and prevent damage to this product or any products connected to it To evade potential hazards use this product only as specified Only qualified personnel should perform maintenance Avoid fire or personal injury Use suitable power cord Use only the power cord specified for this product and certified for the country of use Connect and disconnect properly Connect a probe with the oscilloscope before it is connected to measured circuits disconnect the probe from the oscilloscope after it is disconnected from measured circuits Ground the product This product is grounded through the grounding conductor of the power cord To avoid electric shock the grounding conductor must be connected to earth ground Before making connections to the input or output terminals of the product ensure that the product is properly grounded Connect the probe in a right way The probe ground lead is at ground potential Do not connect the ground lead to an elevated voltage Check all terminal ratings To avoid fire or shock hazard check all ratings and markings on the product Refer to the product manual for detailed information about ratings before making connections to the product Do not operate without covers Do not operate this product with covers or panels removed Avoid exposed circuitry Do not touch exposed connections and components when power is present
2. Do not operate with suspected failures If you suspect there is damage to this product have it inspected by qualified service personnel Assure good ventilation Do not operate in wet damp environments Do not operate in an explosive atmosphere Keep product surfaces clean and dry MSO 5000B Digital Storage Oscilloscope User Manual 1 Safety Tips 1 2 Safety Terms and Symbols The following terms may appear in this manual A WARNING Warning statements point out conditions or practices that could result in injury or loss of life A CAUTION Caution statements identify conditions or practices that could result in damage to this product or other property 1 3 Terms on Product The following terms may appear on the product DANGER indicates an injury hazard immediately accessible as you read the marking WARNING indicates an injury hazard not immediately accessible as you read the marking CAUTION indicates a possible hazard to this product or other property 1 4 Symbols on Product The following symbols may appear on the product 1 A 0 Protective Measurement CAUTION Measurement Ground Ground Refer to Manual Input Terminal Earth Terminal Terminal Mains Mains High Voltage Disconnected Connected OFF Power ON Power 1 5 Product Scrapping Device Recycling We need extract and utilize natural resources to produce this device If you do not reclaim the device in a proper way some substances it contains may be
3. FORCE L TRIG PROBE CHECK It sets the amplitude level the signal must cross to cause an acquisition when using the Edge or Pulse Width trigger 1 Level 2 Setto 50 The trigger level is set to the vertical midpoint between the peaks of the trigger signal 3 Force Trigger Used to complete an acquisition regardless of an adequate trigger signal This button becomes useless if the acquisition is already stopped 4 TRIG MENU Push this button to display trigger menus The edge trigger is in common use See the table below for details MSO 5000B Digital Storage Oscilloscope User Manual 28 Basic Operation Comments Options Settings Edge Video By default the oscilloscope uses the edge trigger which Pulse Slope triggers the oscilloscope on the rising or falling edge of the Swap Overtime input signal when it crosses the trigger level threshold Select the input source as the trigger signal CH1 CH2 No matter the waveform is displayed or not a certain channel will be triggered EXT Does not display the trigger signal and allows a Source trigger level range of 1 6V to 1 6V EXT 5 Same as EXT option but attenuates the signal by a factor of 5 and allows a trigger level range of 8V to 8V AC Line Uses a signal derived from the power cord as the trigger source Select a trigger mode By default the oscilloscope uses the Auto mode In this mode the oscilloscope is forced to trigger when it does not det
4. H L or X Push F4 button to select the trigger mode as Auto or Normal Oo oO A W N Turn the timebase knob SEC DIV and adjust the time until you get a stable display of waveforms See the picture below WIPE AAR W 4 00us Trigger X Type OVideo O Pulse OSlopeOO T DA Her c D13 Pattern H Mode p Auto Duration Trigger To observe digital signal by using the duration trigger please follow the steps as below 1 Push the TRIG MENU button to see the trigger menu MSO 5000B Digital Storage Oscilloscope User Manual 65 Application Examples 2 Push F1 button to select Duration for the trigger type 3 Push F2 button to select the trigger source channel D0 D15 4 5 6 7 Push F3 button to select the Pattern option H L or X Push F4 button to select the trigger mode as Auto or Normal Push F5 button to select the duration time and turn VO knob to adjust the time of duration Turn the timebase knob SEC DIV and adjust the time until you get a stable display of waveforms See the picture below 4 00us Trigger Pattern H Mode O Auto Time 500ns Page 1 2 Queue Trigger To observe digital signal by using the queue trigger please follow the step as below 1 Push the TRIG MENU button to see the trigger menu Zi 3 4 Push F1 button to select Queue for the trigger type Push F2 button to select the specific queue index 0 3 Push F
5. Frequency Range AC coupled from 4Hz minimum to rated bandwidth Pulse Width or Edge Trigger modes all available trigger sources The Frequency Counter measures trigger source at all times including when the oscilloscope acquisition pauses due to changes in the run status or acquisition of a single shot event has completed Pulse Width Trigger mode The oscilloscope counts pulses of significant Signal Source magnitude inside the 1s measurement window that qualify as triggerable events such as narrow pulses in a PWM pulse train if set to lt mode and the width is set to a relatively small time Edge Trigger mode The oscilloscope counts all edges of sufficient magnitude and correct polarity Video Trigger mode The Frequency Counter does not work Acquisition Acquisition Modes Normal Peak Detect and Average Acquisition Rate Up to 2000 waveforms per second per channel Normal acquisition mode typical no measurement Single Sequence Acquisition Mode Acquisition Stop Time Upon single acquisition on all Normal Peak Detect channels simultaneously After N acquisitions on all channels Average simultaneously N can be set to 4 8 16 32 64 or 128 Inputs Inputs TEA o o o e Input Coupling DC AC or GND Input Impedance l l PR 1MQ 2 in parallel with 20pF 3pF DC coupled Probe Attenuation 1X 10X S rted Prob SPPORSE TONO 4X 10X 100X 1000X Attenuation Factors MSO 5000B Digital Storage Oscilloscope Use
6. Note Averaging reduces random noise and let you view the signal details more easily See the figure below for better understanding wie SLT Q M SE Real Time Average 064 O 4K O 20K O 1M cs Gin ch SQ o o 6 4 Example 4 Capturing Single shot Signal You may refer to the following example to easily capture some aperiodic signals like pulses and glitches MSO 5000B Digital Storage Oscilloscope User Manual 54 Application Examples To set for a single shot acquisition follow the steps below 15 2 6 First set up the oscilloscope probe and the attenuation factor of CH1 Turn the vertical VOLTS DIV and horizontal SEC DIV knobs to a proper position for a better examination of the signal Press the ACQUIRE button to see the Acquire menu Push the Peak Detect option button Push the TRIG MENU button and select Rising for the Slope option Then adjust the trigger level properly Push the SINGLE SEQ button to start the acquisition Using this feature can help you to capture occasional events more easily This is an advantage of the digital storage oscilloscope 20 0us W 20 0us Acquire X 0 0 Obs Ty pe O Equ Time Mode O fl Normal Sh Average L ong hd 2m O40K 0512K 6 5 Example 5 Using X Y Mode Viewing Phase Differences between Two Channel Signals For example you need to measure the change in a phase across a circuit network Connect the oscilloscope wi
7. distributor or directly Keep touch with our Technical Support department if the oscilloscope still can not be turned on normally 2 If there is no display of waveforms on the screen when the oscilloscope is turned on follow these steps 1 Check the probe to assure its proper connection to the input BNC 2 Check the channel switch such as CH1 CH2 menu buttons to make sure it has been turned on 3 Check the input signal to verify it has been connected to the probe correctly 4 Affirm that all measured circuits have signals to output 5 Turn up the magnitude for DC signals with large magnitude 6 In addition you may press the Auto Measure button to perform an automatic detection of signals at first Contact our Technical Support department in time if there is still no display of waveforms 3 If the waveform of the input signal is distorted seriously follow these steps 1 Check the probe to assure its proper connection to the channel BNC 2 Check the probe to assure its good connection to the measured object 3 Check the probe to verify it has been well calibrated Otherwise refer to the content about calibration described in this manual 4 If the waveform is rolling continuously on the screen but can not be triggered follow these steps 1 Check the trigger source to make sure it consistent with the input channel 2 Check the trigger level to assure its correct adjustment You may push the TRIGGER LEVEL knob or pres
8. if both are selected turn VO to move them at the same time Place Cursor S on the rising edge of the pulse and Cursor E on the falling edge Thus at Delta displays the measured time and at Cursor S and Cursor E displays the time relative to the trigger See the figure below for better understanding MSO 5000B Digital Storage Oscilloscope User Manual 51 Application Examples PAL IE Sl M 200us Cursor X 0 0005 Type O Off ORefA close ORef B close Cc Select cursor 2 00KHz Measuring Rise Time of Pulse You may need to measure the rise time of the pulse in many application environments usually to measure the rise time between the 10 and 90 levels of the pulse waveform To do so follow the steps below 1 2 8 9 Turn the SEC DIV knob to display the rising edge of the waveform Turn the VOLTS DIV and VERTICAL POSITION knobs to adjust the waveform amplitude to about 5 divisions Push the CH1 MENU button Push the VOLTS DIV option button and select Fine Turn the VERTICAL POSITION knob to accurately separate the waveform into 5 divisions Turn the VERTICAL POSITION knob to center the waveform Position the waveform baseline to 2 5 divisions below the center graticule Press the CURSOR button Push the Type option button and select Time Push the Source option button to select CH1 Select Cursor S and turn VO to place it at the 10 level of the waveform Select Cursor E and turn VO to place
9. in dual window Minor Window mode The window is highlighted once selected Press this option button in single window mode to enter the daul window mode Mark Right arrow This function is usable only in dual window mode It Left arrow sets marks at some waveform record locations that Set Clear users are interested in and searches for these marks Clear All by right and left arrows Then it positions the window to this mark for further observation Holdoff None Select this menu and turn the multi functional knob to adjust the trigger holdoff time within the range of 100ns 10s Select this menu and push the multi functional knob to reset the holdoff time with the starting value 100ns Autoplay None This function is usable in dual window mode Push this menu button and auto move it from left to right at a specified speed In the expanded window will display corresponding waveforms until it stops once reaching the rightmost side of the major scan window Single window Mode MSO 5000B Digital Storage Oscilloscope User Manual 18 Basic Operation sE 1 M 800ns 200ns Display X _0 0008 Grid OReal line OClose Grid Intensity 5 O 15 Ref resh Rate O 30 frames 40 frames 50 frames Wave Intensity Dual window Mode Full Screen Location of expanded window data in memory Sh Ge mi 0780048 SiR wave X Major Window ORefB 200ns e 4 00 X 1 Jan 09 01 56 Operation Minor Window Expanded Window SAWE RE
10. knob to ensure the entire waveform remains on the screen If the entire waveform is invisible the oscilloscope may display wrong FFI results by adding high frequency components 5 Turn the SEC DIV knob to provide the resolution you need in the FFT spectrum 6 If possible set the oscilloscope to display multiple signal cycles If you turn the SEC DIV knob to select a faster setting fewer cycles the FFT spectrum will display a larger frequency range and reduce the possibility of FFT aliasing To set the FFT display follow the steps below 1 Push the MATH MENU button MSO 5000B Digital Storage Oscilloscope User Manual 22 Basic Operation 2 Set the Operation option to FFT 3 Select the Math FFT Source channel In many situations the oscilloscope can also generate a useful FFT spectrum despite the YT waveform not being triggered This is especially true if the signal is periodic or random such as noise Note You should trigger and position transient or burst waveforms as close as possible to the screen center Nyquist Frequency The highest frequency that any real time digital oscilloscope can measure without errors is half of the sample rate which is called the Nyquist frequency Frequency information beyond the Nyquist frequency is undersampled which brings about the FFT aliasing The math function can convert the center 2048 points of the time domain waveform to an FFT spectrum The resulting FFT spectrum contains 1024
11. know the rise and fall times of the signal To better observe this kind of signals we bring in the slope trigger Follow the steps below 1 2 Push the TRIG MENU button to see the Trigger menu Push F1 to select Slope for the Type option Push the Source option button to select CH1 push the Slope option button to select Rising push the Mode option button to select Auto push the Coupling option button to select DC Click the Next Page button and select Vertical Turn the VO knob to adjust V1 and V2 to proper locations Select the When option button and set it to Select Time and turn VO to adjust the time until you get a stable display of waveforms See the figure below MSO 5000B Digital Storage Oscilloscope User Manual 59 Application Examples DAA w i MAA AA M ss O o CHITime 28003 OE 6 9 Example 9 Using Overtime Trigger to Measure Long Pulse Signal It is not easy to observe some part of a long pulse signal by using the edge or pulse width trigger In such case you can use the overtime trigger by following steps 1 2 Push the TRIG MENU button to see the Trigger menu Push F1 to select OT for the Type option push the Polarity option button to select Normal push the Mode option button to select Auto push the Coupling option button to select DC Turn the Trigger Level knob to adjust the trigger level and stabilize video signals Turn VO to adjust the line number
12. operate F7 Push this button in single window mode to switch between dotted line display and cross display Push it in dual window mode to perform autocruise FO Hide Show button Push it to hide the menu options on the right side of the screen and give a full screen display of waveforms Push it again to show the menu Di 90 a a options n hi F1 F5 These five buttons are all multi functional They are in charge of selecting corresponding menu options on the screen in different menu modes For example in m w the UTILITY menu F1 F5 respectively correspond to System Info Advance F6 This functional button is mainly used to turn pages and confirm a selection such as next page previous page and press F6 to confirm appearing when you push Self Calibration option L 5 8 Signal Connectors See the figure below to find the three signals connectors and a pair of metal electrodes at the bottom of the oscilloscope panel pe in L TN SPR a 1 CH1 CH2 Input connectors for waveform display through which to connect and input the signal to be measured 2 EXT TRIG Input connector for an external trigger source though with to connect and input the external trigger signal 3 Probe Compensation Voltage probe compensation output and ground used to electrically match the probe to the oscilloscope input circuit The probe compensation ground and BNC MSO 5000B Digital Sto
13. or digital test circuits for triggering It happens when the input trigger source crosses a specified level in a specified direction Video Trigger performs a field or line trigger through standard video signals Pulse Width Trigger can trigger normal or abnormal pulses that meet trigger conditions Slope Trigger uses the rise and fall times on the edge of signal for triggering Overtime Trigger happens after the edge of signal reaches the set time VV V V WV Swap Trigger as a feature of analog oscilloscopes gives stable displays of signals at two different frequencies Mainly it uses a specific frequency to switch between two analog channels CH1 and CH2 so that the channels will generate swap trigger signals through the trigger circuitry Trigger Mode You can select the Auto or Normal mode to define how the oscilloscope acquires data when it does not detect a trigger condition Auto Mode performs the acquisition freely in absence of valid trigger It allows the generation of untriggered waveforms with the time base set to 80ms div or slower Normal Mode updates the displayed waveforms only when the oscilloscope detects a valid trigger condition Before this update the oscilloscope still displays the old waveforms This mode shall be used when you want to only view the effectively triggered waveforms In this mode the oscilloscope displays waveforms only after the first trigger To perform a single sequence acquisition push the SINGLE SEQ bu
14. oscilloscope to ensure the proper storage of new settings You can save 10 settings permanently in the oscilloscope and reset them as necessary Recalling a Setup The oscilloscope can recall any of your saved setups or the default factory setup Default Setup The oscilloscope is preset for normal operations when it is shipped from the factory This is the default setup You may recall this setup at any time for your requirements To view the default settings refer to Section 5 6 3 4 2 Trigger The trigger determines when the oscilloscope begins to acquire data and display a waveform Once a trigger is properly set up the oscilloscope can convert unstable displays or blank screens to meaningful waveforms Here introduce some basic concepts about trigger Trigger Source The trigger can be generated with multiple sources The most common one is the input channel alternative between CH1 and CH2 Whether the input signal is displayed or not it can trigger normal operations Also the trigger source can be any signal connected to an external MSO 5000B Digital Storage Oscilloscope User Manual 10 Main Feature Description trigger channel or the AC power line only for Edge triggers The source with the AC power line shows the frequency relationship between the signal and the AC commercial power Trigger Type The oscilloscope has six types of triggers Edge Video Pulse Width Slope Overtime and Swap gt Edge Trigger uses the analog
15. points from DC 0Hz to the Nyquist frequency Usually the screen compresses the FFT spectrum horizontally to 250 points but you can use the FFT Zoom function to expand the FFT spectrum so that you can clearly view the frequency components at each of the 1024 data points in the FFT spectrum Note The oscilloscope s vertical response is a little bit larger than its bandwidth 60MHz or 20MHz when the Bandwidth Limit option ts set to Limited Therefore the FFT spectrum can display valid frequency information above the oscilloscope bandwidth However the amplitude information near or above the bandwidth will not be accurate 5 3 1 2 Displaying FFT Spectrum Push the MATH MENU button to display the Math menu Use the options to select the Source channel the Window algorithm and the FFT Zoom factor Only one FFT spectrum can be displayed at a time Math FFT Options Settings Comments CH1 CH2 Choose a channel to be the FFT source Window Hanning Flattop Select a type of the FFT window For more Rectangular information refer to Section 5 3 1 3 Change the horizontal magnification of the FFT FFT Zoom X1 X2 X5 X10 display For detailed information refer to Section 9 3 1 6 MSO 5000B Digital Storage Oscilloscope User Manual 23 Basic Operation AF Sh IM 4 00ms 4 00ms Math x 12 5KHz Operation O CH1 CH2 Oe of fle pV Ob W i n d ow OF latop O Rectangular FFT zoom i Slo Di pa a 2 3 4 1 Fre
16. the Setup field Push the Default Setup button to initialize the oscilloscope Specify the memory location in which to store the current waveform Memory 0 to 9 settings or from which to recall the waveform settings Use the VO knob MSO 5000B Digital Storage Oscilloscope User Manual Basic Operation pC toa known setup See below for waveform menus ODO CHI a OO0000KH The white waveforms on the menu is At most 9 groups of the recalled RefA waveform setups can be stored Note The oscilloscope will save the current settings if you wait 5 seconds after the last modification and it will recall these settings the next time you power on the oscilloscope 9 9 2MEASURE Push the MEASURE button to perform auto measurements There are 11 types of measurements and up to 8 can be displayed at a time Turn the VO knob to select an unspecified option Press VO or F6 when the red arrow icon stops on it Then the following menu appears Settings Comments Options Source CH1 Select the measure source CH2 Calculate the waveform frequency by measuring the first cycle Period Calculate the time of the first cycle Calculate the arithmetic mean voltage over the entire record i Calculate the absolute difference between the greatest and the smallest peaks of the entire waveform Calculate the actual RMS measurement of the first complete cycle of the waveform Mi Examine the waveform record of all points in the curre
17. this operation stop the acquisition and change the display format to XY The table below shows how to operate some controls in XY format Usable or not in XY format CH1 VOLTS DIV and VERTICAL POSITION controls Set the horizontal scale and position Continuously set the vertical scale and CH2 VOLTS DIV and VERTICAL POSITION controls Sosio Reference or Math 5 2 Horizontal Controls Use the horizontal controls to change the horizontal scale and position of waveforms The horizontal position readout shows the time represented by the center of the screen using the trigger time as zero When you change the horizontal scale the waveform will expand or contract to the screen center The readout near the upper right of the screen shows the current horizontal MSO 5000B Digital Storage Oscilloscope User Manual 17 Basic Operation position in second M represents Main Time Base and W indicates Window Time Base The oscilloscope also has an arrow icon at the top of the graticule to indicate the horizontal position HORIZONTAL M POSITION i SEC DIV 1 HORIZONTAL POSITION Knob Used to control the trigger position against the screen center Push this button to reset the trigger point back to the screen center AN Used to set the horizontal position as zero 2 Each option in HORIZ MENU is described as follows Options Settings Comments Window Control Major Window Selects the major or minor window
18. 3 button to select the trigger source channel DO D15 5 5 Push F4 button to select the pattern H L or X 6 Turn the timebase knob SEC DIV and adjust the time until you get a stable display of waveforms See the picture below MSO 5000B Digital Storage Oscilloscope User Manual 66 Application Examples A Sl Pilsen Coes a DO 40 0us 0 Queye AID T ETD Iteration Trigger To observe digital signal by using the iteration trigger please follow the steps as below 1 Push the TRIG MENU button to see the trigger menu 2 Push F1 button to select Iteration as the trigger type 3 Push F2 button to select the trigger source channel D0 D15 4 5 6 Push F3 button to select the pattern H L or X Push F4 button to select the Times of Iteration and turn VO knob to set the times Turn the timebase knob SEC DIV and adjust the time until you get a stable display of waveforms See the picture below AnS sb coir eee W 40 0us DE Did te Dic TB exp MSO 5000B Digital Storage Oscilloscope User Manual 67 Troubleshooting Chapter 7 Troubleshooting 7 1 Problem Settlement 1 If the oscilloscope does not start up at power on follow these steps 1 Check the power cord to verify it has been connected properly 2 Check the power on off button to ensure it has been pushed 3 Then restart the oscilloscope Contact your local
19. 4 3 DAPAACQUISITION uu ias 12 4 4 WAVEFORM SCALING AND POSITIONING cecceececcecceccscescecceccsceccssceccscescscsceecescscssescescsscesessescesceses 12 4 5 WAVEFORM MEASUREMENT ceccecceccecsceccecceccscesceccsccscescscceccscescsscecesceccescsececescscesescescescssessescesceses 13 CHAPTER 5 BASIC OPERATION cada dia 15 5 1 DIPA ATEA cuts tl lar 15 5 1 1 AFO AAA NAE E N N AN i 17 5 2 HORIZONTAL CONTROLS A A eRe eho hed 17 MSO 5000B Digital Storage Oscilloscope User Manual i Contents 5 2 1 Scan Mode Display Roll MOdE iii 20 5 3 VERTICAL CONTROES A a 20 5 951 MADE id 22 oa Sctiime Fme domai Wave lou aid ds 22 Velez Displayino FEL Spec HUM dar AAA AA AAA AA 23 5 3 1 3 DElCCUNG EFE WW IO Wi saliera ei its 24 5 3 1 4 CET ALAS id A A EA A ES A AAA A 26 ee a ls PUD O 26 5 3 1 6 Macnilyine and Positioning EFT SPECIES 26 531 7 Usm Cursors to Measure FF Spec MUN us e ns 27 5 4 TRIGGER CON TROES veriora r A E E EE E EA 27 5 5 MENGAND OPTION BUTTONS ud tl iaia 33 5 9 1 SAVE RE CALL lille aaa 34 5 5 2 MASI E ann 35 5 5 3 ACQUIRE lt A SA A a 36 5 5 4 OVE ENERE ER nn 38 595 CURSOR tii dia 38 5 5 6 DIOP LA ooa E ca 39 5 6 FASTACHONBLITONS isolarsi 40 5 6 1 AUTOS E VS A A E da diia 40 5 6 2 ELE A e o A A OE ea ee ee 4 5 6 3 BOE PST RE islas 42 5 7 MULTIFUNCTIONAL KNOBS AND BUTTONS cues 44 5 8 SIGNAL CONNEC TORS panna 44 5 9 LOGIC ANALY ZER CHANNELS SETUP Stations E e E 45 CHAPTER6 APPLICAT
20. 5 1 Display Area Measure X 1 9 OF requency O Mean 9 18 OPk Pk l O Cyc RMS Minimum Maximum O Rise Time OFall Time O Pos Width ONeg Width OK TEEN EE E 17 16 15 14 13 12 11 10 MSO 5000B Digital Storage Oscilloscope User Manual 15 Basic Operation 1 Display Format ES vr E xy Vectors a Dots Gray indicates auto persistence Green means persistence display is enabled When the icon is set to green the time for persistence display will be shown behind it 2 Acquisition Mode Normal Peak Detect or Average 3 Trigger Status The oscilloscope is acquiring pretriggered data R All pretriggered data have been acquired and the oscilloscope is ready to accept a trigger T The oscilloscope has detected a trigger and is acquiring the posttrigger information The oscilloscope works in auto mode and is acquiring waveforms in the absence of triggers S The oscilloscope is acquiring and displaying waveform data continuously in scan mode The oscilloscope has stopped acquiring waveform data S The oscilloscope has finished a single sequence acquisition A Tool Icon aid If this icon lights up it means the keyboard of the oscilloscope is locked by the host computer via USB control E If this icon lights up it means the USB disk has been connected ES This icon lights up only when the USB slave interface is connected with the computer 5 Readout shows main t
21. 8 1 FEGANICAESPECIEICATIONS sadica aa 69 MSO 5000B Digital Storage Oscilloscope User Manual li Contents 8 2 ACCESSORIE uscar ice caia 74 8 3 OPEN SOURCE ORMA O e ee da El de 75 CHAPTER 9 GENERAL CARE AND CLEANING o oocccccccccccccnocccnnocccnnoccccnonoccononocononoccconencconenoccnnnecccnononos 76 9 1 GENERALCARE ille eine Lila 76 9 2 CRESNNG iora EA O ai eiii cd 76 APPENDIX A HARMFUL AND POISONOUS SUBSTANCES OR ELEMENTS occcccccccnccccnocccnoccconoocoo 77 APPEND B INDEX isis AA AAA di 78 APPENDIX C GNU GENERALPUBLIC LICENSE VERSION 2 JUNE 1991 ccscccccsssssssccees 80 MSO 5000B Digital Storage Oscilloscope User Manual jii Copyright Declaration Copyright Declaration All rights reserved no part of this document may be reproduced or transmitted in any form or by any means electronic or mechanical without prior written permission from our company Our company reserves all rights to modify this document without prior notice Please contact our company for the latest version of this document before placing an order Our company has made every effort to ensure the accuracy of this document but does not guarantee the absence of errors Moreover our company assumes no responsibility in obtaining permission and authorization of any third party patent copyright or product involved in relation to the use of this document MSO 5000B Digital Storage Oscilloscope User Manual IV Safety Tips Chapter 1 Safety Tips
22. ANTABILITY or FITNESS FOR A PARTICULAR PURPOSE See the GNU General Public License for more details You should have received a copy of the GNU General Public License along with this program if not write to the Free Software Foundation Inc 51 Franklin Street Fifth Floor Boston MA 02110 1301 USA Also add information on how to contact you by electronic and paper mail If the program is interactive make it output a short notice like this when it starts in an interactive mode MSO 5000B Digital Storage Oscilloscope User Manual 85 Harmful and Poisonous Substances or Elements Gnomovision version 69 Copyright C year name of author Gnomovision comes with ABSOLUTELY NO WARRANTY for details type show w This is free software and you are welcome to redistribute it under certain conditions type show c for details The hypothetical commands show w and show c should show the appropriate parts of the General Public License Of course the commands you use may be called something other than show w and show c they could even be mouse clicks or menu items whatever suits your program You should also get your employer if you work as a programmer or your school if any to sign a copyright disclaimer for the program if necessary Here is a sample alter the names Yoyodyne Inc hereby disclaims all copyright interest in the program Gnomovision which makes passes at compilers written by James Hacker l
23. CALL MEASURE ACOLTRE Multi functional Knob MENU y LEY CURSOR DISPLAY ee 3 SEC DIV Knob Used to change the horizontal time scale so as to magnify or compress the waveform horizontally If the waveform acquisition is stopped by using the RUN STOP or SINGLE SEQ button the SEC DIV control will expand or compress the waveform In dual window mode push this knob to select major or minor window When the major window is selected this knob provides the same functions as it provides in single mode window When the minor window is selected turn this knob to scale the waveform whose magnification is up to 1000 Notes MSO 5000B Digital Storage Oscilloscope User Manual 19 Basic Operation 1 For more information of the trigger holdoff see Section Trigger Controls 2 In single window mode press FO to hide or show the menus on the right side The dual window mode does not support the menu hiding function 5 2 1Scan Mode Display Roll Mode With the SEC DIV control set to 80ms div or slower and the trigger mode set to Auto the oscilloscope works in the scan acquisition mode In this mode the waveform display is updated from left to right without any trigger or horizontal position control 5 3 Vertical Controls Vertical controls can be used to display and remove waveforms adjust vertical scale and position set input parameters and perform math calculations Each channel has a separate vertical menu to set See below for me
24. Examples ELY 18 Sh M 200us MW 200us Autoset _0 000s Multi cycle Falling edge Taking Auto Measurements The oscilloscope can display most signals by automatic measurements To measure such parameters as the signal frequency period peak to peak amplitude rise time and positive width follow the steps below 1 Push the MEASURE button to see the Measure menu 2 Turn the knob VO to select the first unspecified option marked by red arrow press VO or F6 to enter the submenu 3 Select CH1 for the Source option Then repeatedly push F3 or F4 to select measure items in the Type menu Push the back menu to go back to the measure interface Or turn and push VO to select a measure item and go back to the measure interface The corresponding box under the measure item shows the measurements 4 Repeat Step 2 and Step 3 Then select other measure items Totally 8 measure items can be displayed Note All readouts change with the measured signals The figure below shows three measure items as an example The boxes under them display the measurements in large fonts MSO 5000B Digital Storage Oscilloscope User Manual 49 Application Examples MIRAE Sh M 200us MW 200us Measure X 0 0008 6 2 Example 2 Taking Cursor Measurements You can use the cursor to quickly measure the time and amplitude of a waveform Measuring Ring Time convertible to Frequency and Amplitude on Rising Edge of Pulse To me
25. GES INCLUDING ANY GENERAL SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES END OF TERMS AND CONDITIONS How to Apply These Terms to Your New Programs If you develop a new program and you want it to be of the greatest possible use to the public the best way to achieve this is to make it free software which everyone can redistribute and change under these terms To do so attach the following notices to the program It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty and each file should have at least the copyright line and a pointer to where the full notice is found lt one line to give the program s name and a brief idea of what it does gt Copyright C lt year gt lt name of author gt This program is free software you can redistribute it and or modify it under the terms of the GNU General Public License as published by the Free Software Foundation either version 2 of the License or at your option any later version This program is distributed in the hope that it will be useful but WITHOUT ANY WARRANTY without even the implied warranty of MERCH
26. ION EXAMPLE S cnica dais 48 6 1 EXAMPLE 1 TAKING SIMPLE MEASUREMENTS tasca isa 48 6 2 EXAMPLE 2 TAKING CURSOR MEASUREMENTS s0sssssscccssssssesscccccsccssesesccccsceasesseccesseeaasessscecesenansssass 50 6 3 EXAMPLE 3 ANALYZING INPUT SIGNALS TO ELIMINATE RANDOM NOISE s0sccccceeeeseeeeeeeseceeeaeesees 53 6 4 EXAMPLE 4 CAPTURING SINGLE SHOT SIGNAL ssccccccsssssssssccccctecassssssccccseeasesssccecseeaasessseeecsonansssase 54 6 5 EXAMPLES USING X Y MODE iii oo ea natanti icona 55 6 6 EXAMPLE 6 TRIGGERING ON PULSE WIDTH 0 a 56 6 7 EXAMPLE TRIGGERING ON VIDEO SIGNAL ainia AE E E AEE 57 6 8 EXAMPLE 8 USING SLOPE TRIGGER TO CAPTURE PARTICULAR SLOPE SIGNAL cooocccccconocnnnnnnoncncnnnnnnnos 59 6 9 EXAMPLE 9 USING OVERTIME TRIGGER TO MEASURE LONG PULSE SIGNAL 60 6 10 EXAMPLE 10 USING MATH FUNCTIONS TO ANALYZE WAVEFORMS cicci 61 6 11 EXAMPLE 11 MEASURING DATA PROPAGATION DELAY ccccccecessesseceeeeccaeeeeecceeesaaeeseeccesseauaneeeess 62 6 12 EXAMPLE 12 USING TRIGGER TO MEASURE DIGITAL SIGNAL oooccccccncnnnnnnnnonnnnnnnonnnnnnnnnnnnnnnononononnnnnnannnnnnss 63 CHAPTER TROUBLESHOOTING wrsssisscsscsccccdesactaccssscsctasceseudeadscaestonsctncsosseecseesusebeossesestecscseavcdscssseeness 68 Jsl PROBLEMS ETTEEMENT tddi lidia 68 CHAPTERS SPECIFICATIONS wwccisscsicccdsscustccdasesscetedesiiasctecteceedeaticaeessbuesedeescauatoeduntedosdcsseuesesssedevecowseueaness 69
27. MSO 5000B Mixed Storage Oscilloscope User Manual Contents Contents CONTENTS lla laine I COPYRIGHT DECLARATION verrese orario lana ds IV CHAPTER 1 SAFETY TP Sii A AAA Ad 1 1 1 GENERAL SAFELY SUMMARY Aaa 1 L2 SAFETY TERMS AND SYMBOLS tai 2 1 3 TERMS ON PRODUCT unar a e a rina 2 1 4 SYMBOES ON PRODUCT ee ia 2 1 5 PRODUCTS CRAPPING ud ral a A T a nes T a a 2 CHAPTER 2 OVERVIEW edilizia 3 2 1 BRIEF INTRODUCTION TO MSO 5000B oesessneesesersesessosessssescssrscsessoseosrsosrosrscsesseseosrecsrosescseserssrecsrosrseo 3 22 FEePSSSTER anta 3 CHAPTER 3 GETTING STARTED GUIDE ococccccnncccconoccconenccnnnonccnonocccnonoccnononccnonoccnnonoccnnncccnonocccnoneccnns 5 3 1 NI alli 5 3 1 1 A O AB 5 3 1 2 POWT OF O AA ile A E AA 5 3 2 FONC TONAL C HECE aglio ria 5 3 2 1 FOWErONNOS OSCUOSCODO ia ii EE E E AS 5 3 2 2 COMNECEING OSCIMOS COPE bass 5 3 2 3 Observe the Waveform ricci iii 6 3 3 PROBE EXAMINAT ON oee a a a lata ai 6 3 3 1 Sdi learn 6 3 3 2 Use of Probe Check Wizard labili il 7 3 4 MANUAL PROBE COMPENSATION adele 7 Sd PROBE ATTENUATION SETTING boia eolie 8 3 6 SPEC ALBEA TION annali 8 3 7 LOGIC ANALYZER FLAT INPUT CABLE veci rece rie cirie rieniecis cerco nie vee cisco rie niesiscesie nie see cisco riesiesiocene 9 CHAPTER 4 MAIN FEATURE DESCRIPTION ccccccccsssscccsccccccsccccesccccccsccecessccccescccccssccccessceccess 10 4 1 OSCILLOSCOPE SETUP sa a ina ad 10 4 2 O laici 10
28. MSO 5000B Digital Storage Oscilloscope User Manual 26 Basic Operation the marker M math waveform reference point on the left edge of the screen Turn the VERTICAL POSITION knob clockwise to move up the spectrum 9 3 1 7 Using Cursors to Measure FFT Spectrum You may use cursors to take two measurements on the FFT spectrum amplitude in dB and frequency in Hz Amplitude is referenced to Odb that equals 1VRMS here You may use cursors to measure at any zoom factor Push the CURSOR button choose the Source option and then select Math Press the Type option button to select between Amplitude and Frequency Click the SELECT CURSOR option to choose a cursor Then use the VO knobs to move Cursor S and Cursor E Use the horizontal cursor to measure the amplitude and the vertical cursor to measure the frequency Now the display at the DELTA menu is just the measured value and the values at Cursor S and Cursor E Delta is the absolute value of Cursor S minus Cursor E Cursor A Cursor Frequency Cursors Amplitude Cursors 5 4 Trigger Controls The trigger can be defined through the Trigger Menu and front panel controls There are six types of trigger Edge Video Pulse Width Swap Slope and Overtime Refer to the following tables to find a different set of options for each type of trigger MSO 5000B Digital Storage Oscilloscope User Manual 27 Basic Operation TRIGGERh Sa A I TRIG _MENU SETTO 50
29. NTSC 0 525 lines Turn the horizontal SEC DIV and the vertical VOLTS DIV knobs to display on the screen a complete video signal triggering on a video line See the figure below AAA a DE WWW jw i OT Swap A CHI OEXT OEXT 5 O AC50 Positive Auto se 50500 CHI 0 00V MSO 5000B Digital Storage Oscilloscope User Manual 60 Application Examples Note The difference between the overtime and the delay triggers is that the overtime trigger can identify the pulse you need according to your set time and trigger on any point of the pulse In the other word the overtime trigger occurs based on pulse identification It is similar to the gt mode of the pulse width trigger but not the same 6 10 Example 10 Using Math Functions to Analyze Waveforms Using math functions to analyze input waveforms is another advantage of the digital oscilloscope For example you want to get the instantaneous difference between two channel waveforms By using the math function of the oscilloscope you can get a better representation of the waveform on the screen To observe this signal follow the steps below 1 Setthe Probe option attenuation to 10X 2 Open CH1 and CH2 at the same time both with the attenuation of 10X 3 Push the AUTOSET button to trigger a stable waveform 4 Push the MATH MENU button to see the Math menu 5 Push the Operation option button and select CH1 CH2 6 Turn the horizontal SEC DIV an
30. The flat terminal connection cable is shown as below 1 Digital Input Terminal The digital signal input terminals from left to right are GND DO D15 GND totally 18 terminals Note From left to right refers to the sequence of the digital input terminals when the flat cable is connected to the logic signal input port 2 Flat Cable Plug Plug the flat cable into the logic signal input port in accordance with the sequence of the input port MSO 5000B Digital Storage Oscilloscope User Manual Main Feature Description Chapter 4 Main Feature Description This chapter provides some general information that you need to learn before using an oscilloscope It contains 1 Oscilloscope setup 2 Trigger 3 Data acquisition 4 Waveform scaling and positioning 5 Waveform measurement 4 1 Oscilloscope Setup While operating the oscilloscope you may often use three features Autoset saving a setup and recalling a setup Hereinafter they are introduced one by one Autoset This function can be used to adjust the horizontal and vertical scales of the oscilloscope automatically and set the trigger coupling type position slope level and mode etc to acquire a stable waveform display Saving a Setup By default the oscilloscope will save the setup each time before being closed and automatically recall the setup once being turned on Note If you modify the setup please wait for more than 5 seconds before turning off the
31. al Acquisition Interval Trigger Level Indicates Trigger Points J J Holdoff Holdoff 5 5 Menu and Option Buttons As shown below these six buttons at the top of the front panel are used mainly to recall relative MSO 5000B Digital Storage Oscilloscope User Manual 33 Basic Operation setup menus SAVE REGALL MEASURE ACOLIRE MENU utility CURSOR DISPLAY q Mp ae i SAVE RECALL Displays the Save Recall menu for setups and waveforms MEASURE Displays the Measure menu ACQUIRE Displays the Acquire menu UTIILITY Displays the Utility menu CURSOR Displays the Cursor menu DISPLAY Displays the Display menu 9 9 1SAVE RECALL Press the SAVE RECALL button to save or recall oscilloscope setups or waveforms The first page shows the following menu Options Settings Commens Waveforms E CH1 CH2 off Select a waveform display to store MATH off RefA Select the reference location to store or recall a waveform Save Save the source waveform to the selected reference location Operation NEC on Ref off Display or remove the reference waveform on the screen Press Next Page to recall the following menu Gotions Settings _ Comments o ll Flash memory Store the current setups to the USB disk or the memory of the Source USB disk oscilloscope to select Save Complete the saving operation Operation Recall Recall the oscilloscope settings stored in the location selected in
32. al at discrete points The time base helps to control how often the values are digitized Use the SEC DIV knob to adjust the time base to a horizontal scale that suits your purpose 4 4 Waveform Scaling and Positioning The display of waveforms on the screen can be changed by adjusting their scale and position Once the scale changes the waveform display will increase or decrease in size Once the position changes the waveform will move up down right or left The channel reference indicator located on the left of the graticule identifies each waveform on the screen It points to the ground level of the waveform record Vertical Scale and Position The vertical position of a waveform can be changed by moving it up and down on the screen To compare data you may align a waveform over another When you push the VOLTS DIV button to change the vertical scale of a waveform the waveform display will contract or expand vertically to the ground level Horizontal Scale and Position Pretrigger Information MSO 5000B Digital Storage Oscilloscope User Manual 12 Main Feature Description You can adjust the HORIZONTAL POSITION control to view waveform data before the trigger after the trigger or some of each When you change the horizontal position of a waveform you are actually changing the time between the trigger position and the screen center For example if you want to find out the cause of a glitch in your test circuit you should trigge
33. asure the ring time on the rising edge of the pulse follow the steps below 1 2 10 Push the CURSOR button to view the Cursor menu Push F1 the Type option button and select Time Push F2 or F3 the Source option button and select CH1 Push F4 to select a cursor If S is selected turn VO to move Cursor S on the screen if E is selected turn VO to move Cursor E if both are selected turn VO to move them at the same time Put Cursor S on the first peak of the ring Put Cursor E on the second peak of the ring At Delta displays the measured time and at Cursor S an Cursor E display the positions of these two cursors Push the Type option button and select Voltage Put Cursor S on the highest peak of the ring Put Cursor E on the lowest point of the ring The amplitude of the ring will be displayed at Delta See figures below for better understanding MSO 5000B Digital Storage Oscilloscope User Manual 50 Application Examples Em O ns CI O Time CHI 3 OVYoltage CHI OS 496m 516mY x cH J CON 10 0000KHz Measuring Pulse Width To analyze a pulse signal and to know its width follow the steps below 1 2 Push the CURSOR button to view the Cursor menu Push F1 the Type option button and select Time Push F2 or F3 the Source option button and select CH1 Push F4 to select a cursor If S is selected turn VO to move Cursor S on the screen if E is selected turn VO to move Cursor E
34. cilloscope displays the following options Sine Wave Options Details Display multiple cycles that have appropriate vertical and Multi cycle Sine horizontal scales Single cycle Sine Set the horizontal scale to display about one cycle of the waveform Convert the input time domain signal to its frequency components and display the result as a graph of frequency versus amplitude spectrum Since it is a math calculation see Section 5 3 1 Math FFT for more information Undo Setup Let the oscilloscope recall the previous setup Square Wave or Pulse FFT When you use the Autoset function and the oscilloscope determines that the signal is similar to a square wave or pulse the oscilloscope displays the following options Square Wave Options Multi cycle Square Display multiple cycles that have appropriate vertical and horizontal scales Set the horizontal scale to display about one cycle of the waveform Single cycle Square The oscilloscope displays Min Mean and Positive Width automatic measurements 5 6 2Help Push the HELP button to display the Help menu which provides topics covering all the menu options and controls of the oscilloscope For detailed information about the Help system refer to Section 2 2 MSO 5000B Digital Storage Oscilloscope User Manual 41 Basic Operation 5 6 3Default Setup When you push the DEFAULT SETUP button the oscilloscope will display the CH1 waveform and r
35. code even though third parties are not compelled to copy the source along with the object code 4 You may not copy modify sublicense or distribute the Program except as expressly provided under this License Any attempt otherwise to copy modify sublicense or distribute the Program is void and will automatically terminate your rights under this License However parties who have received copies or rights from you under this License will not have their licenses terminated so long as such parties remain in full compliance 5 You are not required to accept this License since you have not signed it However nothing else grants you permission to modify or distribute the Program or its derivative works These actions are prohibited by law if you do not accept this License Therefore by modifying or distributing the Program or any work based on the Program you indicate your acceptance of this License to do so and all its terms and conditions for copying distributing or modifying the Program or works based on it 6 Each time you redistribute the Program or any work based on the Program the recipient automatically receives a license from the original licensor to copy distribute or modify the Program subject to these terms and conditions You may not impose any further restrictions on the recipients exercise of the rights granted herein You are not responsible for enforcing compliance by third parties to this License 7 If as a conse
36. come harmful or poisonous to environments or human bodies To avoid them being released outside and to minimize the waste of natural resources we suggest you reasonably call back this device to ensure proper recovery and recycling of most materials within it MSO 5000B Digital Storage Oscilloscope User Manual 2 Overview Chapter 2 Overview 2 1 Brief Introduction to MSO 5000B Bandwidth Sample Rate LCD MSO 5062B 60MHz 1GS s MSO 5102B 100MHz 1GS s Table 2 1 MSO 5000B main specification MSO 5000B oscilloscope is with the bandwidth of 60MHz 100MHz and provides the real time and equivalent sample rates respectively up to 1GSa s and 25GSa s In addition it has maximum 1M memory depth for better observation of the waveform details and 7 inch color TFT LCD as well as WINDOWS style interfaces and menus for easy operation What s more the plenty menu information and the easy to operate buttons allow you to gain information as much as possible in measurement the multifunctional knobs and the powerful shortcut keys help you save a lot of time in operation the Autoset function lets you detect sine and square waves automatically the Probe Check Wizard guides you to adjust the probe compensation and set the Probe option attenuation factor By using the three methods the oscilloscope provides context sensitive hyperlinks and an index you may master all operations on the device in quite a short time so as to greatly improve your efficien
37. cy in production and development 2 2 Help System This oscilloscope has a Help system with topics covering all of its features You can use the Help system to display several kinds of information General information about understanding and using the oscilloscope such as Using the Menu System Information about specific menus and controls such as the Vertical Position Control Advice to problems you may come across while using an oscilloscope such as Reducing Noise The Help system provides three methods for you to find the information you want context sensitive hyperlinks and an index Context Sensitive Push the HELP front panel button and the oscilloscope displays information about the last menu displayed on the screen The HELP SCROLL LED lights beside the HORIZONTAL POSITION knob indicate the alternative function of the knob If a topic uses more than one page turn the MSO 5000B Digital Storage Oscilloscope User Manual 3 Overview HELP SCROLL knob to move from page to page within the topic Hyperlinks Most of the help topics contain phrases marked with angle brackets such as lt Autoset gt They are links to other topics Turn the HELP SCROLL knob to move the highlight from one link to another Push the Show Topic option button to display the topic corresponding to the highlighted link Press the Back option button to return to the previous topic Index Push the front panel HELP button and then pres
38. d and configure the probe option attenuation factor properly following menu prompts 3 4 Manual Probe Compensation Upon the first connection of a probe and an input channel you should manually perform this adjustment to match the probe to the input channel Uncompensated or miscompensated probes may lead to errors or faults in measurement To adjust the probe compensation follow the steps below 1 Set the Probe option attenuation in the channel menu to 10X Set the switch on the probe to 10X and connect the probe to Channel 1 on the oscilloscope If you use the probe hook tip ensure it is firmly inserted onto the probe Attach the probe tip to the PROBE COMP 5V 1KHz connector and the reference lead to the PROBE COMP Ground connector Display the channel and then press the AUTOSET button 2 Check the shape of the displayed waveform Compensated correctly Sd Le Overcompensated T Undercompensated 3 If necessary use a nonmetallic screwdriver to adjust the variable capacity of your probe until the shape of the waveform turns to be the same as the above figure Repeat this step as necessary See the figure below for the way of adjustment MSO 5000B Digital Storage Oscilloscope User Manual 7 Getting Started Guide 3 5 Probe Attenuation Setting Probes are of various attenuation factors which affect the vertical scale of the signal The Probe Check function is used to verify if the Probe attenuation option matches th
39. d the vertical VOLTS DIV knobs to properly scale the waveform for easy check In addition the oscilloscope also supports the and FFT functions For a detailed analysis on FFT refer to Chapter 5 3 1 Math FFT Note You should compensate both probes before performing the math operation otherwise differences in probe compensation will appear as errors in the differential signal M 200us Wi 200us CHI x _0 000s Coupling O GND 20MHz BW Limited Volts Div O100X 01000X Invert DAA As illustrated in the above figure input a 1KHz sine wave from CH1 and a 1KHz square wave from MSO 5000B Digital Storage Oscilloscope User Manual 61 Application Examples CH2 Follow the above steps to set up the Math menu and observe the subtracted waveform as shown in the figure below 200us Math X Operation O CH1 CH2 OCH2 CH1 SRE Those in pink are added waveforms 6 11 Example 11 Measuring Data Propagation Delay When you doubt that there appear instabilities in a serial data propagation control circuit you can set the oscilloscope to measure the propagation delay between the enable signal and the transfer data To set the propagation delay measurement follow the steps below 1 Connect two oscilloscope probes respectively to the CS chip select pin and the DATA pin on the chip Set the Probe option attenuation to 10X for both probes Open CH1 and CH2 at the same time both with the attenuation o
40. digital signal by using the pulse width trigger please follow the steps as below 1 2 3 4 5 6 ie 8 Push the TRIG MENU button to see the trigger menu Push F1 button to select Pulse as the trigger type Push F2 button to select trigger source D0 D15 Push F3 button to select the pulse polarity positive or negative Push F4 button to select the trigger mode as Auto or Normal The Coupling method is only applicable to the analog signal Push the Next Page button and push F4 button to select the trigger event gt lt Push F5 button to select the the pulse width of the trigger and turn VO knob to adjust the trigger pulse width 9 Turn the timebase knob SEC DIV and adjust the time until you get a stable display of waveforms See the picture below MSO 5000B Digital Storage Oscilloscope User Manual 64 Application Examples Trigger X Type OEdge OVideo OSlope O01 OAlter Source O CH2 DECIDES OAC5O ODO Polarity Olli Negative Mode O Auto Couplinsg OAC ONoilse reject OHF reject OLF reject Page 1 2 Code Pattern Trigger To observe digital signal by using the code pattern trigger please follow below steps 1 Push the TRIG MENU button to see the trigger menu Push F1 button to select Pattern as the trigger type Push F2 button to select the trigger source channel D0 D15 Push F3 button to select the code pattern
41. e You must make sure that they too receive or can get the source code And you must show them these terms so they know their rights We protect your rights with two steps 1 copyright the software and 2 offer you this license which gives you legal permission to copy distribute and or modify the software Also for each author s protection and ours we want to make certain that everyone understands that there is no warranty for this free software If the software is modified by someone else and passed on we want its recipients to know that what they have is not the original so that any problems introduced by others will not reflect on the original authors reputations MSO 5000B Digital Storage Oscilloscope User Manual 80 Harmful and Poisonous Substances or Elements Finally any free program is threatened constantly by software patents We wish to avoid the danger that redistributors of a free program will individually obtain patent licenses in effect making the program proprietary To prevent this we have made it clear that any patent must be licensed for everyone s free use or not licensed at all The precise terms and conditions for copying distribution and modification follow GNU GENERAL PUBLIC LICENSE TERMS AND CONDITIONS FOR COPYING DISTRIBUTION AND MODIFICATION 0 This License applies to any program or other work which contains a notice placed by the copyright holder saying it may be distributed under the terms of this G
42. e works in themselves then this License and its terms do not apply to those sections when you distribute them as separate works But when you distribute the same sections as part of a whole which is a work based on the Program the distribution of the whole must be on the terms of this License whose permissions for other licensees extend to the entire whole and thus to each and every part regardless of who wrote it Thus it is not the intent of this section to claim rights or contest your rights to work written entirely by you rather the intent is to exercise the right to control the distribution of derivative or collective works based on the Program In addition mere aggregation of another work not based on the Program with the Program or with a work based on the Program on a volume of a storage or distribution medium does not bring the other work under the scope of this License 3 You may copy and distribute the Program or a work based on it under Section 2 in object code or executable form under the terms of Sections 1 and 2 above provided that you also do one of the following a Accompany it with the complete corresponding machine readable source code which must be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange or b Accompany it with a written offer valid for at least three years to give any third party for a charge no more than your cost of physically perform
43. e attenuation of the probe As an alternative method to Probe Check you can push a vertical menu button such as the CH 1 MENU button and select the Probe option that matches the attenuation factor of your probe Make sure that the Attenuation switch on the probe matches the Probe option in the oscilloscope Switch settings are 1X and 10X When the Attenuation switch is set to 1X the probe limits the bandwidth of the oscilloscope to 6MHz To use the full bandwidth of the oscilloscope be sure to set the switch to 10X SN Attenuation Switch gt LI E o A T he la a a m 3 6 Self Calibration The self calibration routine helps optimize the oscilloscope signal path for maximum measurement accuracy You can run the routine at any time but should always run it if the ambient temperature changes by 5C or more For a more accurate calibration please power on the oscilloscope and wait for 20 minutes until it has adequately warmed up To compensate the signal path disconnect any probes or cables from the front panel input connectors Then push the UTILITY button select the Do Self Cal option and follow the directions on the screen MSO 5000B Digital Storage Oscilloscope User Manual 8 Getting Started Guide 3 7 Logic Analyzer Flat Input Cable MSO 5000B series has logic analyzer function and its logic signal input port is shown as follows MM Ote 66 E 1 1 I End 6 619 619 19 69619 613 End 1
44. e which one to choose according to the object you want to measure and the source signal characteristics Window___ Measurement ___ Characteristics Periodic Waveform Better frequency poorer amplitude accuracy than Flattop Flattop Periodic Waveform Better amplitude poorer frequency accuracy than Hanning Pulse or Transient Special purpose window applicable to discontinuous Rectangular _ l Waveform waveforms This is actually the same as no windows MSO 5000B Digital Storage Oscilloscope User Manual 25 Basic Operation 9 3 1 4 FFT Aliasing Problems occur when the time domain waveform acquired by the oscilloscope contains frequency components higher than the Nyquist frequency The frequency components above the Nyquist frequency will be undersampled and displayed as lower frequency components that fold back from the Nyquist frequency These erroneous components are called aliases 5 3 1 5 Eliminating Aliases To eliminate aliases use the following methods gt Turn the SEC DIV knob to set a faster sample rate Because the Nyquist frequency increases as you increase the sample rate the aliased frequency components will be displayed correct If too many frequency components appear on the screen you may use the FFT Zoom option to magnify the FFT spectrum gt If there is no need to observe the frequency components above 20MHz set the Bandwidth Limit option to Limited gt Filter the signal input from outside and l
45. ect a trigger within a certain amount of time based Auto on the SEC DIV setting The oscilloscope goes into the Mode Normal scan mode at 80ms div or slower time base settings In the Normal mode the oscilloscope updates the display only when it detects a valid trigger condition New waveforms are not displayed until they replace old ones Use this mode to just view valid triggered waveforms Only after the first trigger does the display appear Select the components of the trigger signal applied to the trigger circuitry AC Blocks DC components and attenuates signals below 10Hz Coupling HF Reject DC Passes all components of the signal LF Reject HF Reject Attenuates the high frequency components above 80kHz LF Reject Blocks DC components and attenuates the low frequency components below 8kHz NOTE Trigger coupling only affects the signal passed through the trigger system It does not affect the bandwidth or coupling of the signal displayed on the screen Video Trigger Comments With Video highlighted an NTSC PAL or SECAM standard video signal will be triggered The trigger coupling is preset to AC Select the input source as the trigger signal Ext and Source Ext 5 use the signal applied to the EXT TRIG connector as the source Inverted Inverted Triggers on the positive edge of the sync pulse All Lines Line Number Choose a proper video sync When selecting Line Odd Field Number for the Sync option you may use the Us
46. ed to display a zero volt waveform Internally the channel input is connected with a zero volt reference level Fine Resolution In the fine resolution setting the vertical scale readout displays the actual VOLTS DIV setting The vertical scale changes only after you adjust the VOLTS DIV control and set to coarse Remove Waveform Display To remove a waveform from the screen first push the menu button to display the vertical menu then push again to remove the waveform A channel waveform which is unnecessary to be displayed can be used as a trigger source or for math operations 3 VOLTS DIV Knob Control the oscilloscope to magnify or attenuate the source signal of the channel waveform The vertical size of the display on the screen will change increase or decrease to the ground level Also you may use this knob to switch between coarse and fine 4 MATH MENU Display the waveform math operations See the table below for details The MATH menu contains source options for all math operations Source Options CH1 CH2 Add Channel 1 to Channel 2 CH1 CH2 Subtract the Channel 2 waveform from the Channel 1 waveform CH2 CH1 Subtract the Channel 1 waveform from the Channel 2 waveform Three ee of window available for selection ee Flattop Rectangular CH1 or CH2 Zoom Use the FFT Zoom button to adjust the window size Scale x1 x2 x5 x10 Note All selected menus are highlighted in orange MSO 5000B Digital Sto
47. eform This mode accurately represents signals in most time However it does not acquire rapid variations in the analog signal that may occur between two samples which can result in aliasing and may cause narrow pulses to be missed In such cases you should use the Peak Detect mode to acquire data Peak Detect In this acquisition mode the oscilloscope gets the maximum and minimum values of the input signal over each sample interval and uses these values to display the waveform In this way the oscilloscope can acquire and display those narrow pulses that may have otherwise been missed in Normal mode However noise will appear to be higher in this mode Average In this acquisition mode the oscilloscope acquires several waveforms averages them and displays the resulting waveform You can use this mode to reduce random noise Equivalent Acquisition This kind of acquisition can be utilized for periodic signals In case the acquisition rate is too low when using the real time acquisition the oscilloscope will use a fixed rate to acquire data with a stationary tiny delay after each acquisition of a frame of data After repeating this acquisition for N times the oscilloscope will arrange the acquired N frames of data by time to make up a new frame of data Then the waveform can be recovered The number of times N is related to the equivalent acquisition rate Time Base The oscilloscope digitizes waveforms by acquiring the value of an input sign
48. emove all the others When you are at the default setup press F1 to Undo Preset Then the oscilloscope returns to the status before default setup The table below gives the options buttons and controls that change settings at default setup Menu or System Option Button or Knob Default Setting Three mode options Acquire Averages 16 cH Horizontal amplitude 3 2div of Display Persist Off Operation CH1 CH2 Vertical Scale 20dB Mese eoo Measure Source Trigger Edge Polarity Trigger Video All lines Standard NTSC E MSO 5000B Digital Storage Oscilloscope User Manual 42 Basic Operation Mode Trigger Slope cr Te TT Trigger Swap CH2 nee Time 20ns Coupling Bandwidth Limit Unlimited VOLTS DIV Vertical System Voltage All Channels Voltage Probe Attenuation 10X Invert VOLTS DIV 1 00V The following settings do not change when you push the DEFAULT SETUP button gt Language Option Saved Settings Saved Reference Waveforms Display Contrast VV V V Calibration Data MSO 5000B Digital Storage Oscilloscope User Manual 43 Basic Operation 5 7 Multi functional Knobs and Buttons VO Multi functional knob Under different menu options it supports selecting menu options MEASURE moving cursors and levels Slope Trigger Press this knob to reset data trigger holdoff overtime of the overtime trigger and slope trigger select menu options and so on Easy to
49. eneral Public License The Program below refers to any such program or work and a work based on the Program means either the Program or any derivative work under copyright law that is to say a work containing the Program or a portion of it either verbatim or with modifications and or translated into another language Hereinafter translation is included without limitation in the term modification Each licensee is addressed as you Activities other than copying distribution and modification are not covered by this License they are outside its scope The act of running the Program is not restricted and the output from the Program is covered only if its contents constitute a work based on the Program independent of having been made by running the Program Whether that is true depends on what the Program does 1 You may copy and distribute verbatim copies of the Program s source code as you receive it in any medium provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty keep intact all the notices that refer to this License and to the absence of any warranty and give any other recipients of the Program a copy of this License along with the Program You may charge a fee for the physical act of transferring a copy and you may at your option offer warranty protection in exchange for a fee 2 You may modify your copy or copies of the Program or any portio
50. er Even Field Select knob to specify a line number All Fields Sida NTSC Choose a video standard for sync and line number PAL SECAM count MSO 5000B Digital Storage Oscilloscope User Manual 29 Basic Operation Note When you choose Normal Polarity the trigger always occurs on negative going sync pulses If the video signal contains positive going sync pulses use the Inverted Polarity option Pulse Width Trigger You can use it to trigger on aberrant pulses Options Settings Comments gt gt With Pulse highlighted the trigger occurs on pulses that Pue meet the trigger condition defined by the Source When and Set Pulse Width options Source Select the input source as the trigger signal When Select the trigger condition Set Pulse 20ns to 10 0sec With Set Pulse Width highlighted by pressing F4 turn the Width multi functional knob to set the pulse width i Positive da Polarity Select to trigger on positive or negative pulses Auto Select the type of trigger The Normal mode is best for Mode oma most pulse width trigger applications Select the components of the trigger signal applied to the Reject trigger circuit LF Reject Switch between submenu pages Trigger When The pulse width of the source must be 25ns so that the oscilloscope can detect the pulse Coupling pildgere Hennes I Triggers when pulse is eee MMS greater than width setting Rees Threshold level Triggers w
51. erage Acquisition Mode acquired under same setup and ambient conditions Note Bandwidth reduced to 6MHz when using a 1X probe Trigger Coupling Sensitivity CH1 CH2 1div from DC to 10MHz 1 5div from 10MHZ to Full EXT 200mV from DC to 100MHz Trigger Sensitivity EXT 5 Edge Trigger Type 1V from DC to 100MHz Attenuates signals below 10Hz HF Reject Attenuates signals above 80kHz Same as the DC coupled limits for frequencies above LF Reject 150kHz attenuates signals below 150kHz Trigger Level Range CH1 CH2 8 divisions from center of screen MSO 5000B Digital Storage Oscilloscope User Manual 70 Specifications Trigger Level Accuracy typical CH1 CH2 0 2div x volts div within 4 divisions from center of Accuracy is for screen signals having rise 6 of setting 40mV and fall times 220ns EXT 5 6 of setting 200mV Set Level to 50 ee l l i Operates with input signals 250Hz typical Note Bandwidth reduced to 6MHz when using a 1X probe Video Trigger Type Peak to peak amplitude of 2 CH1 CH2 DIO divisions Signal Formats and Supports NTSC PAL and SECAM Field Rates Video broadcast systems for any field or Trigger Type any line Pulse Width Trigger Trigger when lt Less than gt Greater than Equal or Not Equal Mode Positive pulse or Negative pulse Equal The oscilloscope triggers when the trailing edge of the pulse crosses the trigger level Not Equal If the p
52. etup menu and open or close the display of the digital channels 2 Press F7 gt F7 gt Current to enable the multifunction knob to select digital channels Turn the multifuction knob to select the digital channels and the number of the selected channel will be displayed in red 3 Press multifuction knob and turn it to make the selected channel reposition on the screen Menu display as follows D7 DO X Ch DI DO Turn On Cc Cima PA TL 2 Setup the Threshold Type of the Digital Channels Press F7 gt F7 gt Threshold Type select the pre set threshold type or select the user defined type to set your own threshold level Menu display as follows O DOY Threshold Description Threshold type TTL CMOS ECL User defined Threshold level changes between 2 6V 2 5V 1 3V 8V to 8V Setup the Channel Group MSO 5000B Digital Storage Oscilloscope User Manual 46 Basic Operation Press F7 gt F7 gt D7 DO or D15 D8 the system will display D7 DO or D15 D8 channel group setup menu open or close a single channel or a group channel with 8 channels for a group and setup the size of the waveforms Function Settings Description Menu D7 DO Open or close the single channels within D7 DO D7 DO Turn On Compulsively open or close the 8 channels of D7 DO Turn Off Size Full screen to display 8 channels mi Full screen to display 16 channels Reset Reset the waveforms in D7 DO channel group 1 Open and close s
53. f 10X Push the AUTOSET button to trigger a stable waveform display Adjust the horizontal and vertical controls to optimize the waveform display Push the CURSOR button to view the Cursor menu Push the Type option button and select Time Select Cursor S and turn VO to place it on the active edge of the enable signal Select Cursor E and turn VO to place it on the data output transition See the figure below 10 Read the data propagation delay in the Delta readout MSO 5000B Digital Storage Oscilloscope User Manual 62 Application Examples CS DATA 6 12 Example 12 Using Trigger to Measure Digital Signal Edge Trigger To observe digital signal by using the edge trigger please use following steps 1 Push the TRIG MENU button to see the trigger menu 2 Push F1 button to select Edge as the trigger type 3 Push F2 button to select the trigger source DO D15 4 Push F3 button to select the trigger slope on rising edge or falling edge 5 Push F4 button to select the trigger mode Auto or Normal 6 The coupling method is only applicable to the analog signal 7 Turn the timebase knob SEC DIV and adjust the time until you get a stable display of MSO 5000B Digital Storage Oscilloscope User Manual 63 Application Examples waveforms See the picture below 4 00us Trigger ODIO OD12 O Falling Mode O Auto Coup ling Oe ONoise reject OHF re ject OLFreject Pulse Width Trigger To observe
54. f software distributed through that system in reliance on consistent application of that system it is up to the author donor to decide if he or she is willing to distribute software through any other system and a licensee cannot impose that choice This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License 8 If the distribution and or use of the Program is restricted in certain countries either by patents or by copyrighted interfaces the original copyright holder who places the Program under this License may add an explicit geographical distribution limitation excluding those countries so that distribution is permitted only in or among countries not thus excluded In such case this License incorporates the limitation as if written in the body of this License 9 The Free Software Foundation may publish revised and or new versions of the General Public License from time to time Such new versions will be similar in spirit to the present version but may differ in detail to address new problems or concerns Each version is given a distinguishing version number If the Program specifies a version number of this License which applies to it and any later version you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Foundation If the Program does not specify a version number of this License you may choose any
55. forms by equivalent sample technique Acquire and accurately display most waveforms Normal Detect glitches and eliminate the possibility of Peak Detect aliasing Mode Real Time uu Average Reduce random or uncorrelated noise in signal display The number of averages is selectable Averages Real Time 128 Memory Depth 4 l j 4K 40K 512K 1M Select the memory depth for different board models Real Time Normal For the oscilloscope model with the bandwidth of 100MHz the maximum sample rate is 1GS s For time base with insufficient sample rate you may use the Sine Interpolation Algorithm to interpolate points between sampled points to produce a complete waveform record 4K by Select the number of averages by pressing F3 or F4 MSO 5000B Digital Storage Oscilloscope User Manual 36 Basic Operation default Normal Acquisition Intervals Oo Sample o A PP PA A A O A PA ee Normal Mode Acquires a Single Sample Point in Each Interval Peak Detect Use this mode to detect glitches within 10ns and to limit the possibility of aliasing This mode is valid at the SEC DIV setting of 4us div or slower Once you set the SEC DIV setting to 4us div or faster the acquisition mode will change to Normal because the sample rate is fast enough that Peak Detect is unnecessary The oscilloscope does not display a message to tell you that the mode has been changed to Normal Average Use this mode to reduce random or uncorrelated n
56. ger Overview p PAL Peak Detect Pk Pk Power cord Power supply Probe Probe attenuation PROBE CHECK button PROBE COMP connector Probe compensation Probe ground lead Pulse width trigger R Recall Rectangular RUN STOP button S Sample rate SAVE RECALL Scale Scan mode display roll mode SECAM SEC DIV knob Self calibration SET TO 50 button Simple measurement Sine wave SINGLE SEQ button Slope Slope trigger Software installation CD Square wave MSO 5000B Digital Storage Oscilloscope User Manual 29 28 22 33 11 19 28 11 8 61 12 40 10 9 10 68 3 Harmful and Poisonous Substances or Elements Standard accessories Swap Trigger T Time Time base Time cursor Time domain waveform Trigger Trigger coupling Trigger source Trigger status TRIG MENU button Troubleshooting U UTILITY UTILITY button V Vectors Vertical controls Vertical position Vertical scale Video signal Video trigger Voltage VOLTS DIV knob W Waveform autocruise Waveform display 67 10 10 10 12 21 15 10 61 39 19 11 11 10 10 20 43 9 Waveform scaling and positioning 9 16 Window Time Base X XY format 16 Harmful and Poisonous Substances or Elements Appendix C GNU GENERALPUBLIC LICENSE Version 2 June 1991 Copyright C 1989 1991 Free Software Foundation Inc 51 Franklin Street Fifth Floor Boston MA 02110 1301 USA Everyone is permitted to cop
57. he limit stated in the SJ T 11363 2006 standard This component list contains components approved in the file Management Measures MSO 5000B Digital Storage Oscilloscope User Manual 77 Harmful and Poisonous Substances or Elements Appendix B Index Search by alphabetical order A FFT Zoom 21 AC coupling 66 Field synchronization 16 ACQUIRE button 35 Fine resolution 20 Acquisition mode 11 Force trigger 27 Amplitude cursor 12 Frequency counter 65 Application examples 45 Functional check 5 Automatic measurement 12 Fundamental frequency 21 AUTOSET 3 AUTOSET button 6 G Autoset function 3 Ground coupling 20 Average 11 H B Hanning 21 Bandwidth limit 16 HELP button 4 HELP SCROLL LED 4 C Help system 3 Capturing single shot signal 51 Holdoff 18 CH1 MENU button 6 Horizontal controls 17 CH2 MENU button 6 HORIZONTAL POSITION knob 4 Cleaning 70 Hyperlinks 3 Coarse Fine 20 Connector 5 l Contrast 39 Intensity 39 Coupling 9 CURSOR 12 a CURSOR button 12 Panoaoe Cyc RMS 34 sai Lissajous pattern 16 D DISPLAY button 38 i as 47 Main time base 16 Math FFT 21 E MATH MENU button 22 Edge trigger 10 MEASURE button 34 EXT TRIG 28 Measure FFT spectrum 26 Measurement cursor 38 F Mechanical 67 Factory setup 9 Mechanical shock 67 FFT aliasing 22 Menu hiding 19 FFT Window 21 Multi functional knob 43 MSO 5000B Digital Storage Oscilloscope User Manual 78 N Negative pulse NTSC Nyquist frequency O Option button Overtime Trig
58. hen pulse is not Triggers when pulse is equal to width setting 5 equal to width setting 5 l l I gt i lt gt 4 Tolerance Tolerance O Trigger Point Within a 5 tolerance triggers the oscilloscope when the signal pulse width is equal to MSO 5000B Digital Storage Oscilloscope User Manual 30 Basic Operation or not equal to the specified pulse width lt gt Triggers the oscilloscope when the source signal pulse width is less than or greater than the specified pulse width Slope Trigger Judges trigger according to the time for rising or falling more flexible and accurate than the Edge trigger Options setings n Select the input source as the trigger signal Risin Slope Select the slope type of signal Falling Mode Auto Select the type of trigger The Normal mode is best for Normal most pulse width trigger applications AC DC l i Selects the components of the trigger signal applied to Coupling Noise Reject l me the trigger circuitry HF Reject LF Reject S When Select the trigger condition With this option highlighted by pressing F4 turn the Time 20ns to 10 0sec l l l multi functional knob to set the time span Swap Trigger As a feature of analog oscilloscopes it gives stable displays of signals at two different frequencies Mainly it uses a specific frequency to switch between two analog channels CH1 and CH2 so that the channels will generate swap trigger sig
59. ime base setting 6 Main Time Base Window 7 Display of window s position in data memory and data length 8 Window Time Base 9 Operating Menu shows different information for different function keys 10 Readout shows frequency count 11 Readout points out horizontal waveform position 12 Trigger Type Edge trigger on the rising edge A Edge trigger on the falling edge Video trigger with line synchronization MSO 5000B Digital Storage Oscilloscope User Manual 16 Basic Operation E Video trigger with field synchronization I Pulse Width trigger positive polarity Sk Pulse Width trigger negative polarity 13 Pop up Prompt 14 Readout tells trigger level 15 Icon indicates whether the waveform is inverted or not 16 20M Bandwidth Limit If this icon lights up it means the bandwidth limit is enabled otherwise disabled 17 Icon indicates channel coupling 18 Channel Marker 19 Window displays waveform 5 1 1XY Format The XY format is used to analyze phase differences such as those represented by Lissajous patterns The format plots the voltage on CH1 against the voltage on CH2 where CH1 is the horizontal axis and CH2 is the vertical axis The oscilloscope uses the untriggered Normal acquisition mode and displays data as dots The sampling rate is fixed at 1 MS s The oscilloscope can acquire waveforms in YT format at any sampling rate You may view the same waveform in XY format To perform
60. imit the bandwidth of the source waveform to lower than the Nyquist frequency gt Identify and ignore the aliased frequencies gt Use zoom controls and cursors to magnify and measure the FFT spectrum 5 3 1 6 Magnifying and Positioning FFT Spectrum You may scale the FFT spectrum and use cursors to measure it through the FFT Zoom option which enables the horizontal magnification To vertically magnify the spectrum use the vertical controls Horizontal Zoom and Position You can use the FFT Zoom option to magnify the FFT spectrum horizontally without changing the sample rate The available zoom factors are X1 default X2 X5 and X10 When the zoom factor is set to X1 and the waveform is located at the center graticule the left graticule line is at OHz and the right is at the Nyquist frequency You magnifies the FFT spectrum to the center graticule line when you change the zoom factor That is the axis for horizontal magnification is the center graticule line Turn the Horizontal Position knob clockwise to move the FFT spectrum to the right Push the SET TO ZERO button to position the center spectrum at the center of the graticule Vertical Zoom and Position When the FFT spectrum is being displayed the channel vertical knobs become the zoom and position controls corresponding to their respective channels The VOLTS DIV knob provides the following zoom factors X1 default X2 X5 and X10 The FFT spectrum is magnified vertically to
61. ing source distribution a complete machine readable copy of the corresponding source code to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange or c Accompany it with the information you received as to the offer to distribute corresponding source code This alternative is allowed only for noncommercial distribution and only if you received the program in object code or executable form with such an offer in accord with Subsection b above The source code for a work means the preferred form of the work for making modifications to it For an executable work complete source code means all the source code for all modules it MSO 5000B Digital Storage Oscilloscope User Manual 82 Harmful and Poisonous Substances or Elements contains plus any associated interface definition files plus the scripts used to control compilation and installation of the executable However as a special exception the source code distributed need not include anything that is normally distributed in either source or binary form with the major components compiler kernel and so on of the operating system on which the executable runs unless that component itself accompanies the executable If distribution of executable or object code is made by offering access to copy from a designated place then offering equivalent access to copy the source code from the same place counts as distribution of the source
62. ingle digital channel Press F7 gt F7 gt D7 DO gt channel setup turn the multifuction knob to select the digital channel you want to open or close Press the no 1 menu operating key of channel setup or the multifuction knob to open or close the channel When the channel is open the box of the operating key of the channel setup menu is in green When close the box is in white 2 Compulsively open or close all of the digital channels Press F7 gt F7 gt D7 DO gt D7 DO to open all or close all or push D15 D8 gt D15 D8 gt open all or close all to Compulsively open or close all the selected digital channels Open or close a channel turn the multifunction knob to select the channel then press channel setup F1 button or the multifuction knob 3 Setup the size of digital channel waveforms Press F7 gt F7 gt D7 DO gt waveform size or push D15 D8 gt waveform size to select the size of the digital channel waveforms 4 Reset the display of the digital channel waveforms Press F7 gt F7 gt D7 DO gt reset or push D15 D8 gt reset to make the digital channel display reset MSO 5000B Digital Storage Oscilloscope User Manual 47 Application Examples Chapter 6 Application Examples This chapter unfolds a further description on main features of the oscilloscope by giving eleven simplified application examples for reference to help solve your own test problems 1 Taking simple measurements Using AUTOSET Using the Measure menu
63. ings Comments Off Select a measurement cursor and display it Type Voltage Voltage measures amplitude while Time measures time and Time frequency Select a waveform to take the cursor measurement Use the readouts to show the measurement S S indicates Cursor 1 E indicates Cursor 2 Select Cursor E A selected cursor is highlighted which can be moved freely Both cursors can be selected and moved at the same time The box MSO 5000B Digital Storage Oscilloscope User Manual 38 Source Basic Operation Ea behind the cursor displays the location of the cursor Display the difference delta Display the measurement in the box under this option between the cursors Moving Cursors Press the key near Select Cursor to select a cursor and turn VO to move it Cursors can be moved only when the Cursor Menu is displayed Time Cursor Voltage Cursor 9 5 6DISPLAY The waveform display is affected by settings of the oscilloscope A waveform can be measured once it is captured The different styles to display a waveform on the screen give significant information about it There are two modes to display waveforms Single window and Dual window Refer to Horizontal Controls for more information Push the DISPLAY button and the following menu appears Options Settings_ Comments Vectors Vectors fills up the space between adjacent sample Type Dots points in the display Dots only displays the sample points OFF Persi
64. it at the 90 level of the waveform 10 The Delta readout in the Cursor Menu is the rise time of the pulse See the figure below for better understanding MSO 5000B Digital Storage Oscilloscope User Manual 52 Application Examples AA AT 2 RO i b Time CHI 5 divisions Cc Select cursor E MA Oo c S D OOOO 6 3 Example 3 Analyzing Input Signals to Eliminate Random Noise In certain circumstances to display a noisy signal on the oscilloscope and to get its details you may follow the steps below to analyze this signal SAO DAI vv GOED Real Time Normal OQ chi J CON 10 0000KHz Observing Noisy Signal 1 Press the ACQUIRE button to see the Acquire menu 2 Push the Type option button and select Real Time 3 Push the Peak Detect option button 4 If necessary push the DISPLAY button and set the Contrast option to view the noise more clearly See the figure below for better understanding MSO 5000B Digital Storage Oscilloscope User Manual 53 Application Examples AO D E WWW iW b Real Time cs O o cH1 J alan 10 0000KHz Eliminating Random Noise 1 2 3 4 Press the ACQUIRE button to see the Acquire menu Push the Type option button and select Real Time Push the Average option button Push the Averages option button and adjust the number of running averages to watch the change in the waveform display
65. n of it thus forming a work based on the Program and copy and distribute such modifications or work under the terms of Section 1 above provided that you also meet all of these conditions a You must cause the modified files to carry prominent notices stating that you changed the files and the date of any change b You must cause any work that you distribute or publish that in whole or in part contains or is derived from the Program or any part thereof to be licensed as a whole at no charge to all third parties under the terms of this License MSO 5000B Digital Storage Oscilloscope User Manual 81 Harmful and Poisonous Substances or Elements c If the modified program normally reads commands interactively when run you must cause it when started running for such interactive use in the most ordinary way to print or display an announcement including an appropriate copyright notice and a notice that there is no warranty or else saying that you provide a warranty and that users may redistribute the program under these conditions and telling the user how to view a copy of this License Exception if the Program itself is interactive but does not normally print such an announcement your work based on the Program is not required to print an announcement These requirements apply to the modified work as a whole If identifiable sections of that work are not derived from the Program and can be reasonably considered independent and separat
66. n place after that connect the probe tip and reference lead to the PROBE COMP connectors There is a mark on the panel Probe COMP 5V 1KHz MSO 5000B Digital Storage Oscilloscope User Manual 5 Getting Started Guide CH1 to connect with the probe PROBE COMP 3 2 30bserve the waveform Press the AUTOSET button and you should see within a few seconds a square wave of about 5V peak to peak at 1kHz in the display Press the CH1 MENU button twice to remove Channel 1 Push the CH2 MENU button and repeat Step 2 and Step 3 to observe Channel 2 JE E UM AREA wi 200us Autoset _0 000s _ i Multi cycle 1 000KHz Cancel 3 3 Probe Examination 3 3 1Safety When using the probe keep your fingers behind the guard on the probe body to avoid electric shock Do not touch metallic portions of the probe head while it is connected to a voltage source Connect the probe to the oscilloscope and connect the ground terminal to ground before you start any measurements MSO 5000B Digital Storage Oscilloscope User Manual 6 Getting Started Guide Pal pa a Guard 3 3 2Use of Probe Check Wizard Every time you connect a probe to an input channel you should use the probe check wizard to verify that this probe is operating correctly There are two ways to do this 1 Use the vertical menu for example push the CH1 MENU button to set the Probe option attenuation factor 2 Press the PROBE CHECK button to use the Probe Check Wizar
67. nals through the trigger circuitry Ea Trigger Auto Mode Select the type of trigger Normal Uca CH1 Push an option such as CH1 select the channel trigger type CH2 and set the menu interface Below list options in submenus Swap Trigger allows CH1 and CH2 to select different trigger modes and to display waveforms on a same screen That is both channels can choose the following four trigger modes MSO 5000B Digital Storage Oscilloscope User Manual 31 Basic Operation Rising Slope l Falling AC DC Push F3 or F4 to select the components of the trigger signal HF Reject applied to the trigger circuitry LF Reject l Normal Standard ee PAL SECAM All Lines Line Number Odd Field Select by F4 F5 Even Field All Fields Positive Select by F3 l Push F4 to select Adjust the multi functional knob VO to set Pulse Width l the pulse width Coupling Sync When Set Pulse Width j AC DC Noise Reject Select by F5 HF Reject LF Reject Rising l Slope l Select the slope type of signal Falling Mode Auto Select the type of trigger The Normal mode is best for most Normal pulse width trigger applications AC DC Coupling Selects the components of the trigger signal applied to the Coupling Noise Reject HF Reject trigger circuitry LF Reject Next Page o Vertical V1 Adjust the vertical window by setting two trigger levels V2 Select this option and press F3 to choose V1 o
68. nt in Da window and display the minimum value Examine the waveform record of all points in the current Max window and display the maximum value l l Measure the time between 10 and 90 of the first rising Rise Time edge of the waveform Measure the time between 90 and 10 of the first falling Fall Time edge of the waveform Positive Width Measure the time between the first rising edge and the next falling edge at the waveform 50 level Negativo Width Measure the time between the first falling edge and the next 9 rising edge at the waveform 50 level Do not take any measurement Use the knob VO or the functional keys F3 F4 to select the type of measurement MSO 5000B Digital Storage Oscilloscope User Manual 35 Basic Operation Measure X Measure X OF requency O Mean O Cyc RMS O Maximum ORise Time OFall Time O Pos Width ONeg Width The readouts in big font size on the menu are just results of the corresponding measurements Taking Measurements For a single waveform or a waveform divided among multiple waveforms up to 8 automatic measurements can be displayed at a time The waveform channel must stay in an ON displayed state to facilitate the measurement The automatic measurement can not be performed on reference or math waveforms or in XY or Scan mode 9 5 3ACQUIRE Push the ACQUIRE button to set the acquisition parameter Options Settings Comments Equ Time Rebuild wave
69. nu description 1 VERTICAL POSITION Knob Move the channel waveform up and down on the screen In dual window mode move the waveforms in both windows at the same time in a same direction Push this knob to return waveforms to the vertical center position on the screen Two channels correspond to two knobs VERTICAL MENA POSITION e POSITION O 0 AN rai ben y an E ni VOLTS DIV VOLTS DI F gt p 2 Menu CH1 CH2 Display vertical menu options turn on or off the display of channel waveforms Settings Comments gt gt O S DC AC DC passes both DC and AC components of the input signal Coupling AC blocks the DC component of the input signal and Ground attenuates signals below 10Hz Ground disconnects the input signal MSO 5000B Digital Storage Oscilloscope User Manual 20 Basic Operation Limits the bandwidth to reduce display noise filters the signal to eliminate noise and other unnecessary HF components 20MHz Bandwidth Unlimited Limit Limited Coas Selects the resolution of the VOLTS DIV knob VOLTS DIV Fi Coarse defines a 1 2 5 sequence Fine changes the ine i resolution to small steps between the Coarse settings 1X Selects a value according to the probe attenuation factor Probe Attenuation so as to ensure correct vertical readouts Reduce bandwidth to 6MHz when using a 1X probe Inverts the waveform relative to the reference level Ground Coupling Us
70. o signals Turn the horizontal SEC DIV and the Vertical Position knobs to display on the screen a complete video signal triggering on a video field The figure below shows a stable signal triggering on a video field SAR CU E 40 0us Trigger X _0 000s Type OEdge OPulse Slope Polarity O Inverted Standard O PALASECAM Sync OwNA I Lines O e yLineNum wis Triggering on Video Lines To trigger on the video lines follow the steps below 1 2 Push the TRIG MENU button to see the Trigger menu Push F1 to select Video for the Type option Push the Source option button to select CH1 push the Polarity option button to select Normal push the Standard option button to select NTSC push the Sync option button to select Line Number Turn the Trigger Level knob to adjust the trigger level and stabilize video signals Turn VO to adjust the line number NTSC 0 525 lines Turn the horizontal SEC DIV and the vertical VOLTS DIV knobs to display on the screen a complete video signal triggering on a video line See the figure below MSO 5000B Digital Storage Oscilloscope User Manual 58 Application Examples 40 0us Trigger Type OEdge OPulse OSlope Polarity O Inverted Standard O PAL SECAM Syne Oy WA Lines O ut OddF le ld 6 8 Example 8 Using Slope Trigger to Capture Particular Slope Signal In many occasions we are not only concerned about the edge of the signal but also want to
71. oise in the signal to be displayed Acquire data in Normal mode and then average a great number of waveforms Choose the number of acquisitions 4 16 64 or 128 to average for the waveform Stopping the Acquisition When you are running the acquisition the waveform display is live Stop the acquisition press the RUN STOP button to freeze the display In either mode the waveform display can be scaled or positioned by vertical and horizontal controls Equivalent Acquisition Just repeat the Normal acquisition Use this mode to take a specific observation on repeatedly displayed periodic signals You can get a resolution of 40ps i e 25GSa s sample rate which is much higher than that obtained in real time acquisition The acquisition principle is as follows Input repeated signals First Acquisition Second Acquisition Third Acquisition Fourth Acquisition JL Y IO GS JL JL As shown above acquire input signals cycle repeatable for more than once at a slow sample rate arrange the sample points by the time they appear then recover waveforms MSO 5000B Digital Storage Oscilloscope User Manual 37 Basic Operation 9 9 4UTILITY Push the UTILITY button to display the Utility Menu as follows Options Comments System Info Display the software and hardware versions serial number and some other information about the oscilloscope Update Insert a USB disk with upgrade program and the disk icon at the top left c
72. option button and select Normal for the Mode option Once triggering on normal pulses the oscilloscope can give a stable waveform display 10 If the When option is set to gt lt or and there appear any aberrant pulses that meet the specified condition the oscilloscope will trigger For example the signal contains such aberrant pulses as shown below you may select or lt to trigger on the pulse SAI Sh la 200us Trigger X 0 000s When y Pulse Width 900ns As shown in the above figure you can get a stable waveform display if inputting a square wave at the frequency of 1KHz with pulse width set to 500us 6 7 Example 7 Triggering on Video Signal Assume that you are monitoring the video signals of a television to see if they are input normally and the video signal is of an NTSC system You can get a stable display by using the video trigger Triggering on Video Fields MSO 5000B Digital Storage Oscilloscope User Manual 57 Application Examples To trigger on the video fields follow the steps below 15 2 Push the TRIG MENU button to see the Trigger menu Push F1 to select Video for the Type option Push the Source option button to select CH1 push the Polarity option button to select Normal push the Standard option button to select NTSC Push the Sync option button to select Odd Field Even Field or All Fields Turn the Trigger Level knob to adjust the trigger level and stabilize vide
73. orner is Program highlighted Press the Update Program button and the Software Upgrade dialog pops up Push F6 to upgrade or push F2 to cancel Save Insert a USB disk and the disk icon at the top left corner is highlighted Click on Waveform this icon and you can see the waveform pause for a while being saved You can find the saved waveform data in the USB disk Here X represents how many times you press the button Each press generates a corresponding folder For example press once and a folder 1 is generated press twice and two folders 1 2 are generated Self Press this option and the Self Calibration dialog pops up Press F6 to perform the Calibration self calibration Press F4 to cancel Advance Buzzer and time setups Press this button to see the dialog for buzzer and time setups Turn the knob VO to select buzzer or time with a black frame Press VO and the black frame turn to be red Turn VO again to set ON OFF or time Press VO again to exit or save the setups Self Calibration The self calibration routine can optimize the precision of the oscilloscope to fit the ambient temperature To maximize the precision you should perform the self calibration once the ambient temperature changes by 5 C or more Follow the instructions on the screen Tip Press any menu button on the front panel to remove the status display and enter a corresponding menu 9 5 9CURSOR Push the CURSOR button to display the Cursor Menu Sett
74. oscilloscope and probes as often as operating conditions require To clean the exterior surface perform the following steps 1 Use a lint free cloth to remove floating dust on the outside of the oscilloscope and probes Take care to avoid scratching the glabrous display filter 2 Use a soft cloth dampened with water to clean the oscilloscope For more efficient cleaning you may use an aqueous solution of 75 isopropyl alcohol Note To avoid damage to the surface of the oscilloscope or probes do not use any corrosive or chemical cleaning agents MSO 5000B Digital Storage Oscilloscope User Manual 76 Harmful and Poisonous Substances or Elements Appendix A Harmful and Poisonous Substances or Elements LT Harmful and poisonous substances or elements _ Component Pb Hg Cd Cr V PBB PBDE shell and Chassis X o x o o Display Module Xx o olo o Circuit Board o xo o Power Supply Ox o xlo o Electric Wire and Cable Assembly oe olola or X gt X lt X lt X lt Xx Connector Fastener and Installed Hardware Other Accessories including probes Others x o o xX o oO Le X means that at least the content of this poisonous and harmful substance in a homogeneous material of this component exceeds the limit specified in the SJ T 11363 2006 standard 0 indicates that the content of this poisonous and harmful substance in all homogeneous materials of this component is refrained under t
75. quence of a court judgment or allegation of patent infringement or for any other reason not limited to patent issues conditions are imposed on you whether by court order agreement or otherwise that contradict the conditions of this License they do not excuse you from the conditions of this License If you cannot distribute so as to satisfy simultaneously your obligations under this License and any other pertinent obligations then as a consequence you may not distribute the Program at all For example if a patent license would not permit royalty free redistribution of the Program by all those who receive copies directly or indirectly through you then the only way you could satisfy both it and this License would be to refrain entirely from distribution of the Program If any portion of this section is held invalid or unenforceable under any particular circumstance the balance of the section is intended to apply and the section as a whole is intended to apply in other circumstances MSO 5000B Digital Storage Oscilloscope User Manual 83 Harmful and Poisonous Substances or Elements It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity of any such claims this section has the sole purpose of protecting the integrity of the free software distribution system which is implemented by public license practices Many people have made generous contributions to the wide range o
76. quency at the center graticule line 2 Vertical scale in dB per division OdB 1Vrms 3 Horizontal scale in frequency per division 4 Sample rate in number of samples per second 5 FFT window type 9 3 1 3 Selecting FFT Window Using windows can eliminate the spectral leakage in the FFI spectrum The FFT algorithm assumes that the YT waveform repeats all the time When the number of cycles is integral 1 2 3 the YT waveform starts and ends at the same amplitude and there are no discontinuities in the signal shape If the number of cycles is nonintegral the YT waveform starts and ends at different amplitudes and transitions between the start and end points will cause discontinuities in the signal that introduces high frequency transients MSO 5000B Digital Storage Oscilloscope User Manual 24 Basic Operation Time domain VV YT Waveform Center 2048 Data Points Discontinuities YY Without Windowing Applying a window to the YT waveform changes the waveform so that the start and stop values are close to each other which reduces the discontinuities Time domain YT Waveform Center 2048 Data Points Point by point Multiply Window Function Hanning amp YT Waveform after Windowing gt nS With Windowing The Math FFT function has three FFT Window options There is a trade off between frequency resolution and amplitude accuracy for each type of window You shall determin
77. r If the principal axes of the ellipse are in the second and fourth quadrants the phase difference angle should be in the second and third quadrants i e within m 2 Tr or tr 31r 2 See the figure below for better understanding Signal Horizontal Centering r 6 6 Example 6 Triggering on Pulse Width Triggering on a Specific Pulse Width While testing the pulse width of a signal in a circuit you may need to verify the pulse width is consistent with the theoretic value Or even if the edge triggering shows that your signal has the same pulse width with the specific signal you still doubt about the result Then you can follow the MSO 5000B Digital Storage Oscilloscope User Manual 56 Application Examples steps below 1 Set the Probe option attenuation to 10X 2 Push the AUTOSET button to trigger a stable waveform display 3 Push the Single Cycle option button in the Autoset menu and read out the signal pulse width 4 Push the TRIG MENU button 5 Push F1 to select Pulse for the Type option push F2 to select CH1 for the Source option turn the TRIGGER LEVEL knob to set the trigger level at the bottom of the signal 6 Push F6 to enter the next page Select the When option button and Push F4 to select 7 Push the Set Pulse Width option button Turn VO to set the pulse width to the value read out in Step 3 8 Turn the TRIGGER LEVEL knob to set the pulse width to the value read out in Step 3 9 Push the More
78. r Manual Specifications Overvoltage Category Maximum Voltage CAT and CAT Il 300Vrms 10 Installation Category CAT III 150Vems 1 Installation Category Il derate at 20dB decade above 100kHz to 13V peak AC at 3MHz and above For non sinusoidal waveforms peak value must be less than 450V Excursion above 300V should be of less than 100ms duration RMS signal level including all DC components removed through Maximum Input Voltage AC coupling must be limited to 300V If these values are exceeded damage to the oscilloscope may occur Measurements Voltage difference between cursors AV Cursors Time difference between cursors AT Reciprocal of AT in Hertz 1 AT Automatic Frequency Period Mean Peak to peak Cycle RMS Minimum Maximum Measurements Rise Time Fall Time Positive Width Negative Width General Specifications Display Display Type 7 inch 64K color TFT diagonal liquid crystal Display Resolution 800 horizontal by 480 vertical pixels Display Contrast Adjustable 16 gears with the progress bar Probe Compensator Output Output Voltage l About 5Vpp into 21MQ load typical 1kHz Frequency typical Power Supply 100 120VACrms 10 45Hz to 440Hz CAT 120 240VACrms 10 45Hz to 66Hz CAT lt 30W 2A T rating 250V Supply Voltage Power Consumption Fuse Environmental Operating 32 to122 0 to50 Temperature Nonoperating 40 to 159 8 40 to 71 Humidi
79. r V2 When Select the trigger condition MSO 5000B Digital Storage Oscilloscope User Manual 32 Basic Operation 4 lt gt l Press F4 to select this option Turn the multi functional knob Time 20ns to 10 0sec l to set the time span Overtime Trigger In Pulse Width trigger you may sometimes be puzzled with the long time for trigger as you do not need a complete pulse width to trigger the oscilloscope but want the trigger occurs just upon the overtime point This is called Overtime Trigger Options Settings Comment Type O T _ ____ CH1 Source Select the trigger source EAU Seetmemagersone O Positive l Polarity l Select to trigger on positive or negative pulses Negative Auto Normal Press F5 to select Overtime option and adjust VO to set the time Selects the components of the trigger signal applied to the HF Reject trigger circuitry LF Reject Coupling Holdoff To use Trigger Holdoff push the HORIZONTAL Menu button and set the Holdoff Time option by pressing F4 The Trigger Holdoff function can be used to generate a stable display of complex waveforms such as pulse trains Holdoff is the time between when the oscilloscope detects one trigger and when it is ready to detect another During the holdoff time the oscilloscope will not trigger For a pulse train the holdoff time can be adjusted to let the oscilloscope trigger only on the first pulse in the train Acquisition Interv
80. r in pairs and the displayed readouts are just their measured values There are two kinds of cursors Amplitude Cursor and Time Cursor The amplitude cursor appear as a horizontal broken line measuring the vertical parameters The time cursor appear as a vertical broken line measuring the horizontal parameters When using cursors please make sure to set the Source to the waveform that you want to measure on the screen To use cursors push the CURSOR button MSO 5000B Digital Storage Oscilloscope User Manual 13 Main Feature Description agus WAY 200us Cursor XA 6 0005 Cursor gt Cursor gt Automatic Measurement The oscilloscope performs all the calculations automatically in this mode As this measurement uses the waveform record points it is more precise than the graticule and cursor measurements Automatic measurements show the measurement results by readouts which are periodically updated with the new data acquired by the oscilloscope MSO 5000B Digital Storage Oscilloscope User Manual 14 Basic Operation Chapter 5Basic Operation The front panel of the oscilloscope is divided into several functional areas In this chapter we will give a quick overview of all control buttons and knobs on the front panel as well as the displayed information on the screen and relative testing operations The figure below illustrates the front panel of the MSO 5000B digital oscilloscope Front Panel of MSO 5000B
81. r on the glitch and make the pretrigger period long enough to capture data before the glitch Then you can analyze the pretrigger data and perhaps find the cause You are allowed to change the horizontal scale of all the waveforms by turning the SEC DIV knob For example you may want to see just one cycle of a waveform to measure the overshoot on its rising edge The oscilloscope shows the horizontal scale as time per division in the scale readout Since all active waveforms use the same time base the oscilloscope only displays one value for all the active channels 4 5 Waveform Measurement The oscilloscope displays graphs of voltage versus time and can help to measure the displayed waveform There are several ways to take measurements using the graticule the cursors or performing an automatic measurement Graticule This method allows you to make a quick visual estimate and take a simple measurement through the graticule divisions and the scale factor For example you can take simple measurements by counting the major and minor graticule divisions involved and multiplying by the scale factor If you counted 6 major vertical graticule divisions between the minimum and maximum values of a waveform and knew you had a scale factor of 50mV division you could easily calculate your peak to peak voltage as follows 6 divisions x 50mV division 300MV Cursor This method allows you to take measurements by moving the cursors Cursors always appea
82. rage Oscilloscope User Manual 21 Basic Operation 9 3 1Math FFT This chapter elaborates how to use the Math FFT Fast Fourier Transform You can use the Math FFT mode to convert a time domain YT signal into its frequency components spectrum and to observe the following types of signals Analyze harmonics in power cords Measure harmonic content and distortion in systems Characterize noise in DC power supplies Test impulse response of filters and systems Analyze vibration VV VV WV To use the Math FFT mode perform the following tasks Set the source time domain waveform Display the FFT spectrum Choose a type of FFT window Adjust the sample rate to display the fundamental frequency and harmonics without aliasing Use zoom controls to magnify the spectrum VV VV V WV Use cursors to measure the spectrum 5 3 1 1 Setting Time domain Waveform It is necessary to set the time domain YT waveform before using the FFT mode Follow the steps below 1 Push the AUTOSET button to display a YT waveform 2 Turn the VERTICAL POSITION knob to vertically move the YT waveform to the center zero division so as to ensure the FFT will display a true DC value 3 Turn the HORIZONTAL POSITION knob to position the part of the YT waveform to be analyzed in the center eight divisions of the screen The oscilloscope uses the 2048 center points of the time domain waveform to calculate the FFT spectrum 4 Turn the VOLTS DIV
83. rage Oscilloscope User Manual 44 Basic Operation shields connect to earth ground and are considered to be ground terminals To avoid damages do not connect a voltage source to any of these ground terminals 5 9 Logic Analyzer Channels Setup MST1000B series the mixed signal oscilloscope equipped with 16 channels logical analyzer which provides 16 logical channels is able to carry out the measurement on mixed signals with the other 2 analog oscilloscope channels You may open or close a single channel or a group of channels 8 channels set the size of waveforms change the display position of digital channels on the screen and select threshold type Press F7 button twice the system will display the menu of logic analyzer channel Please see the description in following table 400us D7 DO X Turn On Logic Analyzer Interface Menu Operation Function Settings Description Menu D7 DO Setup the channel group D7 DO D15 D8 Setup the channel group D15 D8 lt D15 D0 gt Select the removable current digital channel TTL Select the threshold types for all the digital channels To setup the level value of threshold when select the User type Threshold lt Threshold Setup the threshold level value in user defined type MSO 5000B Digital Storage Oscilloscope User Manual 45 Basic Operation tee OOOO 1 Display and Rearrange the Digital Channels 1 Press F7 gt F7 gt D7 DO or D15 D8 to enter the channel group s
84. rval s div 200 e 20ns div to 80us div 8div x s div to 40ms Position Range 200us div to 40s div 8div x s div to 400s Vertical 8 bit resolution A D Converter each channel sampled simultaneously VOLTS DIV Range 2mV div to 5V div at input BNC Pe 2mV div to 200mV div 2V Position Range gt 200mV div to 5V div 50V MSO 5000B Digital Storage Oscilloscope User Manual 69 Specifications Analog Bandwidth in 2mV div to 20mV div 400mV Normal and Average 50mV div to 200mV div 2V modes at BNC or with probe DC 500mV div to 2V div 40V Coupled 5V div 50V Selectable Analog Bandwidth Limit 20MHz typical Low Frequency Response 3db lt 10Hz at BNC Rise Time at BNC typical lt 3 5ns MSO 5102B lt 5 8ns MSO 5062B 3 for Normal or Average acquisition mode 5V div to 10mV div 4 for Normal or Average acquisition mode 5mV div to 2mV div Measurement Type Average of 16 waveforms with DC Gain Accuracy vertical position at zero Accuracy 3 x reading 0 1div 1mV when 10mV div or greater is selected DC Measurement Accuracy Measurement Type Average of 216 waveforms with Average Acquisition Mode vertical position not at zero Accuracy 3 x reading vertical position 1 of vertical position 0 2div Add 2mV for settings from 2mV div to 200mV div add 50mvV for settings from 200mV div to 5V div Volts Measurement Repeatability Delta volts between any two averages of 216 waveforms Av
85. s the Index option button Push the Page Up or Page Down option button until you find the index page which contains the topic you want to view Turn the HELP SCROLL knob to highlight a help topic Press the Show Topic option button to display the topic NOTE Press the Exit option button or any menu button to remove the Help text from the screen and return to displaying waveforms MSO 5000B Digital Storage Oscilloscope User Manual 4 Getting Started Guide Chapter 3 Getting Started Guide 3 1 Installation To keep proper ventilation of the oscilloscope in operation leave a space of more than 5cm away from the top and the two sides of the product 3 1 1Power Supply Use a power supply that delivers 90 to 240 Vrms 45 to 440 Hz 3 1 2Power Cord Use only power cords designed for this product Refer to 8 2 Accessories for specific standards 3 2 Functional Check Follow the steps below to perform a quick functional check to your oscilloscope 3 2 1Power on the oscilloscope Plug in the oscilloscope and press the ON OFF button Then push the DEFAULT SETUP button The default Probe option attenuation setting is 10X DEFAULTSETUP SAVE TO USB The Default Setup button 3 2 2Connect the oscilloscope Set the switch on the probe to 10X and connect the probe to Channel 1 on the oscilloscope First align the slot in the probe connector with the protuberance on the CH1 BNC and push to connect then turn to right to lock the probe i
86. s the SET TO 50 button to reset the trigger level back to the center of the signal 3 Check the trigger mode to confirm it is a right choice for the input signal The default trigger mode is edge trigger However it is not suitable for all kinds of input signals MSO 5000B Digital Storage Oscilloscope User Manual 68 Specifications Chapter 8 Specifications 8 1 Technical Specifications All specifications herein mentioned apply to the MSO 5000B oscilloscopes Before checking an oscilloscope from our company to see if it complies with these specifications make sure it meets the following conditions gt The oscilloscope must have been operating continuously for twenty minutes under the specified operating temperature gt The Do Self Cal operation must be performed through the Utility menu if the operating temperature changes by more than 5C gt The oscilloscope must be within the factory calibration interval All specifications are guaranteed unless noted typical Oscilloscope Specifications Horizontal Sample Rate Range SOOMS s dual channel Maximum 1M samples per single channel maximum 512K Record Length l samples per dual channel 4K 40K optional SEC DIV Range 8ns div to 40s div ina 2 4 8 sequence Sample Rate and Den l 50ppm over any 21ms time interval Delay Time Accuracy Single shot Normal mode Delta Time Measurement 1 sample interval 100ppm x reading 0 6ns Accuracy gt 16 averages Sample inte
87. st 0 2S 8S selectable ae the time length to display each displayed sample Infinite YT format shows the vertical voltage in relation to time horizontal scale XY format displays a dot between CH1 and CH2 each time when a sample is acquired Format YT where the voltage or current of CH1 determines the X XY coordinate of the dot horizontal and the voltage or current of CH2 determines the Y coordinate vertical For detailed information refer to descriptions on XY format in the following text 0 15 16 ranks adjustable with a progress bar to contest display Press F5 to select this option Turn the multi functional knob to adjust MSO 5000B Digital Storage Oscilloscope User Manual 39 Basic Operation Next Page Donen me Off only displays the horizontal and vertical coordinates Grid Real line OFF at the center graticule on the screen Grid Intensity ea ranks adjustable with a progress bar to 5 6 Fast Action Buttons AUTO HELP SET DEFAULT SETUP SAVE TO USB RUW STOP E if k E PsineLe AUTOSET Automatically set the oscilloscope controls to generate a usable display of the input signals Refer to the following table for relative content SINGLE SEQ Acquire a single waveform and then stop the acquisition RUN STOP Continuously acquire waveforms or stop the acquisition HELP Display the Help menu DEFAULT SETUP Recall the factory setup Refer to the following table for relative content Sa
88. t 104T or below 40 C or below lt 90 relative humidity umial r 106 to122 41 to50 lt 60 relative humidity Altitude Operating and Nonoperating 3 000m 10 000 feet l l 0 31grms from 50Hz to 500Hz 10 Random Vibration i minutes on each axis 1 2 46grms from 5Hz to 500Hz 10 Nonoperating minutes on each axis Mechanical Shock Operating 50g 11ms half sine MSO 5000B Digital Storage Oscilloscope User Manual 73 Specifications Mechanical e Height 142mm Depth 108mm exclusive of packing and Weight 2 08Kg accessories Logic Analyzer Voltage Difference AV Cursor Time Difference AT 1 AT Hz Memory Postion RR Memory Postion Position A ES D15 Polarity positive or negative Pulse Event gt lt Pulse Width Continuous D15 Continuous Time n Trigger Event oe ad Finish Data Begin Data oe ad D0 D15 Data Index 0 3 and Code Type H L X DO D1 Code Type H L X Repeat Times Puse Continuous 8 2 Accessories All the following accessories are available by contacting your local distributor Standard Accessories MSO 5000B Digital Storage Oscilloscope User Manual 74 Specifications Sketch Description X1 X10 two passive probes The passive probes have a 6MHz bandwidth rated 100Vrms CAT III when the switch is in the X1 position and a maximum bandwidth rated 300Vrms CAT II when the switch is in the X10 position Each probe consists of all necessar
89. t signature of Ty Coon gt 1 April 1989 Ty Coon President of Vice This General Public License does not permit incorporating your program into proprietary programs If your program is a subroutine library you may consider it more useful to permit linking proprietary applications with the library If this is what you want to do use the GNU Lesser General Public License instead of this License MSO 5000B Digital Storage Oscilloscope User Manual 86
90. th circuitry and view the input and output of the circuit in XY mode Follow the steps below 1 2 First prepare two oscilloscope probes and set the switches to 10X on both probes Push the CH1 MENU button and set the Probe option attenuation to 10X push the CH2 MENU button and set the Probe option attenuation to 10X Connect the CH1 probe to the input of the network and connect the CH2 probe to the output Push the AUTOSET button MSO 5000B Digital Storage Oscilloscope User Manual 55 Application Examples 5 Turn the VOLTS DIV knobs to display approximately the same amplitude signals on each channel 6 Push the DISPLAY button to see the Display menu 7 Push the Format option button and select XY 8 Now the oscilloscope displays a Lissajous pattern to characterize the input and output of the circuit 9 Turn the VOLTS DIV and VERTICAL POSITION knobs to properly scale the waveform display 10 Use the Lissajous s oscillographic method to observe and calculate the phase differences following the formula below As sin A B or C D in which 6 is the phase difference angle between channels and A B C D represent what shown in the figure below you can get the value of the phase difference angle by the formula 6 tarcsin A B or tarcsin C D If the principal axes of the ellipse are in the first and third quadrants the phase difference angle should be in the first and fourth quadrants i e within O 11 2 or 3Tr 2 2T
91. to take auto measurements 2 Taking cursor measurements Measuring ring frequency and ring amplitude Measuring pulse width Measuring rise time 3 Analyzing input signals to eliminate random noise Observing a noisy signal Eliminating random noise Capturing a single shot signal Using X Y mode Triggering on a pulse width N Oy PO se Triggering on a video signal Observing triggers on video fields and video lines 8 Using Slope Trigger to capture a particular slope signal 9 Using Overtime Trigger to measure a long pulse signal 10 Using math functions to analyze waveforms 11 Measuring data propagation delay 6 1 Example 1 Taking Simple Measurements When you want to observe an unknown signal in a certain circuit without having its amplitude and frequency parameters you may use this function to take a fast measurement on the frequency period and peak to peak amplitude of the signal Follow the steps below 1 Set the switch on the oscilloscope probe to 10X 2 Push the CH1 MENU button and set the Probe option attenuation to 10X 3 Connect the CH1 probe to the test point of the circuit 4 Press the AUTOSET button The oscilloscope will automatically set the waveform to a best display If you want to further optimize the waveform display you may manually adjust the vertical and horizontal controls until the waveform meets your particular requirement MSO 5000B Digital Storage Oscilloscope User Manual 48 Application
92. tton Trigger Coupling Trigger Coupling determines which part of the signal will be delivered to the trigger circuit This can help to obtain a stable display of the waveform To use trigger coupling push the TRIG MENU button select an Edge or Pulse trigger and then select a Coupling option Trigger Position The horizontal position control establishes the time between the trigger position and the screen center Slope and Level The Slope and Level controls help to define the trigger The Slope option determines whether the trigger point is on the rising or falling edge of a signal To perform the trigger slope control press the TRIG MENU button select an Edge trigger and use the Slope button to select rising or falling The TRIGGER LEVEL knob controls the trigger point is on which position of the edge Trigger level can be adjusted vertically Rising Edge Falling Edge Trigger slope can be rising or falling MSO 5000B Digital Storage Oscilloscope User Manual 11 Main Feature Description 4 3 Data Acquisition When you acquire an analog signal the oscilloscope will convert it into a digital one There are two kinds of acquisition Real time acquisition and Equivalent acquisition The real time acquisition has three modes Normal Peak Detect and Average The acquisition rate is affected by the setting of time base Normal In this acquisition mode the oscilloscope samples the signal in evenly spaced intervals to establish the wav
93. ulse is narrower than the specified width the trigger Pulse Width Trigger point is the trailing edge Otherwise the oscilloscope triggers when a Point pulse continues longer than the time specified as the Pulse Width Less than The trigger point is the trailing edge Greater than also called overtime trigger The oscilloscope triggers when a pulse continues longer than the time specified as the Pulse Width Pulse Width Range Selectable from 20ns to 10s Slope Trigger Slope Trigger Mode Trigger when lt Less than gt Greater than Equal or Not Equal Positive slope or Negative slope Equal The oscilloscope triggers when the waveform slope is equal to the set slope Not Equal The oscilloscope triggers when the waveform slope is not equal to the set slope Less than The oscilloscope triggers when the waveform slope is less than the set slope Slope Trigger Point Greater than The oscilloscope triggers when the waveform slope is greater than the set slope MSO 5000B Digital Storage Oscilloscope User Manual 71 Specifications Selectable from 20ns to 10s Overtime Trigger The leading edge Rising edge or Falling edge Time Setting 20 10s Swap Trigger Internal Trigger Edge Pulse Width Video Slope Internal Trigger Edge Pulse Width Video Slope Trigger Frequency Counter Readout Resolution 6 digits Accuracy typical 30ppm including all frequency reference errors and 1 count errors
94. ve to USB Disk Save all displays on the screen to a USB device just like the screen capturing function of a computer 5 6 1AUTOSET Autoset is one of the advantages digital oscilloscopes have When you push the AUTOSET button the oscilloscope will identify the type of waveform sine or square wave and adjust controls according to input signals so that it can accurately display the waveform of the input signal Acquire Mode Adjusted to Normal or Peak Detect cus TO ff Display Format Set to YT SEC DIV MSO 5000B Digital Storage Oscilloscope User Manual 40 Basic Operation Trigger Video Standard Adjusted Vertical Bandwidth DC if GND was chosen before AC for the video signal otherwise unchanged VOLTS DIV Adjusted The Autoset function examines all channels for signals and displays corresponding waveforms Vertical Coupling Autoset determines the trigger source according to the following conditions gt If multiply channels get signals the oscilloscope will use the channel with the lowest frequency signal as the trigger source gt If no signals are found the oscilloscope will use the lowest numbered channel displayed in Autoset as the trigger source gt f no signals are found and no channels are displayed the oscilloscope will display and use Channel 1 as the trigger source Sine Wave When you use the Autoset function and the oscilloscope determines that the signal is similar to a sine wave the os
95. version ever published by the Free Software Foundation 10 If you wish to incorporate parts of the Program into other free programs whose distribution conditions are different write to the author to ask for permission For software which is copyrighted by the Free Software Foundation write to the Free Software Foundation we sometimes make exceptions for this Our decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally NO WARRANTY 11 BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE THERE IS NO WARRANTY FOR THE PROGRAM TO THE EXTENT PERMITTED BY APPLICABLE LAW EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND OR OTHER PARTIES PROVIDE THE PROGRAM AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU MSO 5000B Digital Storage Oscilloscope User Manual 84 Harmful and Poisonous Substances or Elements SHOULD THE PROGRAM PROVE DEFECTIVE YOU ASSUME THE COST OF ALL NECESSARY SERVICING REPAIR OR CORRECTION 12 IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER OR ANY OTHER PARTY WHO MAY MODIFY AND OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE BE LIABLE TO YOU FOR DAMA
96. y and distribute verbatim copies of this license document but changing it is not allowed Preamble The licenses for most software are designed to take away your freedom to share and change it By contrast the GNU General Public License is intended to guarantee your freedom to share and change free software to make sure the software is free for all its users This General Public License applies to most of the Free Software Foundation s software and to any other program whose authors commit tousing it Some other Free Software Foundation software is covered by the GNU Lesser General Public License instead You can apply it to your programs too When we speak of free software we are referring to freedom notprice Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software and charge for this service if you wish that you receive source code or can get it if you want it that you can change the software or use pieces of it in new free programs and that you know you can do these things To protect your rights we need to make restrictions that forbid anyone to deny you these rights or to ask you to surrender the rights These restrictions translate to certain responsibilities for you if you distribute copies of the software or if you modify it For example if you distribute copies of such a program whether gratis or for a fee you must give the recipients all the rights that you hav
97. y fittings A power cord special for this product In addition to the power cord shipped with your instrument you may purchase another one certified for the country of use A USB A B line used to connect external devices with USB B interface like a printer or to establish communications between PC and the oscilloscope 16 channel cable for logic analyzer Eighteen little test hook Logic analyzer with high quality test hook A software installation CD It contains the user manual of MSO 5000B giving particular descriptions on the MSO 5000B series oscilloscopes 8 3 Open Source Information General Information Supported File system Yaffs Fat32 Buzzer Driver DMA Driver FPGA Driver 12C Driver SPI Driver Drivers IO bank Driver USB Host Driver LCD Driver USB massstorage gadget Driver Linux Applications busybox1 18 4 gnupg1 4 11 U_boot Version U boot 1 1 6 Sourcecode download website http www produktinfo conrad com Please enter the product code 122481 or 122482 to search License GPLV2 See Appendix C MSO 5000B Digital Storage Oscilloscope User Manual 75 General Care and Cleaning Chapter 9 General Care and Cleaning 9 1 General Care Do not put or leave the device in a place where the LCD display will be exposed to direct sunlight for long periods of time Note To avoid damage to the oscilloscope or probes do not expose them to sprays liquids or solvents 9 2 Cleaning Examine the

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